The role of police etiquette in building a harmonious relationship between police and people. Strengthening the police etiquette cultivation can not only improve the overall quality and law enforcement efficiency of the public security team, shape the good image of the public security police, but also enhance the affinity and influence of the public security team, which plays an increasingly important role in building a harmonious relationship between the police and the people. However, from the point of view of law enforcement duty at the grass-roots level, acts such as treating the masses coldly, pushing around, uncivilized speech and behavior, rude law enforcement, and weak sense of etiquette occur from time to time, which directly affects the image of the whole police force in the eyes of the people and the harmony between the police and the people. We should start from the etiquette plate of the whole police, practice our internal strength, strengthen our internal quality, cultivate our external image, influence the public through our own image-building and actual behavior, and lead the construction of harmonious relations between the police and the people. Keywords Harmonious Relationship between Police and People The rich connotation of a harmonious socialist society includes the harmonious relationship between police and people, and building a harmonious relationship between police and people is an indispensable part of social harmony. The best state of the relationship between police and people is harmony. If the relationship between the police and the people is not harmonious, it is impossible for public security work to develop in the long run and to build a harmonious society. The police are the executors of public security work and the main body of building a harmonious relationship between police and people. The quality of the police, especially the etiquette quality of the first-line police at the grass-roots level, directly affects the image of the whole police force in the eyes of the people and the harmony of the relationship between the police and the people, so the etiquette quality of the police determines whether the construction of a harmonious relationship between the police and the people can achieve practical results. First, the meaning of police etiquette is the combination of etiquette and ceremony. It is the external expression of the moral norms that human beings require people to abide by in order to maintain the normal work and life of society. It is a process and means to show respect for each other through established procedures and methods in interpersonal communication. People's police etiquette is the words and deeds and necessary etiquette that all public security police should abide by when dealing with interpersonal relationships and foreign exchanges during working hours and workplaces. It is an important part of social etiquette, which includes not only the basic code of conduct that the police should follow in daily social communication and interpersonal communication, but also the work norms and requirements that the police must abide by in law enforcement and duty activities. The basic etiquette of the people's police mainly includes strict police appearance, dignified appearance, civilized speech, good posture and standardized behavior, which can be summarized as police appearance, words and deeds. Specifically, it mainly includes police appearance etiquette, police duty law enforcement etiquette, police reception etiquette, police visit etiquette and so on. For example, when performing official inspections, the police on duty use standardized language and adopt a rigid and gentle attitude to conduct civilized inspections. Correct the violation and salute first. For those who have special difficulties, within the scope permitted by the policy, we will try our best to solve problems for them in line with the principle of emergency handling. Enter the relevant enterprises and institutions and residential buildings to perform official duties, take the initiative to show their certificates, explain their intentions, pay attention to respecting the personality of others, and act in strict accordance with the law. When visiting ordinary residents, choose the right time, try to avoid eating, sleeping and resting, be modest and prudent, talk politely, accurately grasp the topic and master the departure time. Driving a police car to perform non-emergency official duties is not allowed to overtake, grab the road, flash warning lights or run a red light in violation of regulations. Therefore, the etiquette of public security police must adhere to the basic principles of obeying the rules according to law, strict self-discipline, moderate grasp and respect for others. Second, the role of police etiquette in building a harmonious relationship between the police and the people. Etiquette runs through our daily work and life. Sit and walk with self-cultivation, pay attention to food, clothing, housing and transportation, and greet the rules. Etiquette is like a strange solvent. Paying attention to etiquette can effectively resolve contradictions, reconcile interpersonal relationships, enhance social interaction and promote social harmony. Police etiquette embodies the good image and spiritual outlook of the people's police, which is an important aspect of promoting the relationship between the police and the people and profoundly embodying the connotation of the people's police's purpose of serving the people. It is also an important part of public security culture and public security relations. After years of practice, police etiquette has been constantly improved and developed, forming a rich accumulation and precipitation, which plays an increasingly important role in public security work, especially in building a harmonious relationship between the police and the people. Improving the etiquette quality of the police is not only conducive to improving the overall quality and law enforcement efficiency of the public security team and shaping the good image of the public security organs and police, but also of great significance to further close the relationship between the police and the people, enhance the affinity and cohesion of the public security team and build a harmonious relationship between the police and the people. Public security work needs the combination of special work and mass line, and good relationship between police and people is the basic obstacle to the smooth development of public security work. Therefore, it can be said that improving the working ability of the masses is the basic quality requirement of public security police, and good manners can help us close the distance with the people. On the surface, the etiquette of public security police involves sections, but it embodies the spirit of sections. The police must learn to constantly update their images, improve their quality and cultivate good manners. Only in this way can they win the respect and trust of the people. On the contrary, if we police ignore etiquette and are informal, it will inevitably have a bad influence and damage the image of the whole police force. By tempering their words and deeds and even their hearts, Jinan traffic police have interpreted the etiquette of traffic police to the highest level, making the image of standardized service and standardized law enforcement enter the hearts of the people of the whole country and become a model for public security police in the new era. The slogan "Have difficulty finding a traffic police" further narrowed the distance between the traffic police and the people. Police etiquette is the yardstick to communicate with the masses. This is the truth of "writing life in square inches". Whether to be on duty on the road or to serve at the "window" depends on the nature of the people's police.