The reason why the society stipulates calculating the length of service is because this system can better protect the rights and interests of workers. Social personnel training, that is, social personnel training system, refers to a system of vocational skills training and education for social personnel in a certain period of time. Several aspects of knowledge for calculating the length of service:

1, the definition of length of service

Length of service refers to the number of years an employee has worked in an enterprise or unit, usually calculated in years. The longer the length of service, the richer the employees' work experience and the greater their contribution to the enterprise.

2. Time calculation of social adjustment and training

The time for social training is usually counted from the day you attend the training. For example, a social worker participated in the training in a certain month, so his length of service is accumulated year by year from that year.

3. The relationship between social norms and length of service.

Social training is an important way to improve the professional skills of employees, and it is of great significance to calculate the length of service. Generally speaking, during the training period, the length of service of social training personnel is not included in the calculated length of service of enterprises or units. After the training, they began to formally calculate the length of service.

Measuring length of service has the following functions:

1, protecting the rights and interests of workers

Calculating the length of service can ensure that workers enjoy due treatment and benefits during their work, such as wages, social security, provident fund, etc. This can avoid the damage to the rights and interests of workers due to some special reasons.

2. Promote the career development of workers.

Calculating the length of service according to the regulations can give workers more promotion opportunities and development space in their careers. Because the longer the length of service, the richer the experience, the stronger the working ability and quality, and the more likely it is to get a higher position and better treatment.

3. Improve the stability of enterprises.

By calculating the length of service, it is helpful for enterprises to retain excellent employees and reduce brain drain. Because employees know that as long as they work hard in their posts, they can get a certain length of service and corresponding treatment, which will motivate them to work more and improve the production efficiency and competitiveness of enterprises.