Law often pays attention to how to restrain evil in human nature, but ignores the activation of good in human nature, which leads to the behavior of citizens running in a state of neither evil nor good, lacking care for each other and ignoring human feelings. This is also what people feel, but it lacks a warm economic and social order. Since ancient times, being brave has always been the moral standard pursued by people. In today's society, heroic deeds of bravely fighting gangsters and providing disaster relief are endless, but at the same time, many problems have arisen: how to protect those who are brave because of their actions, and how to avoid heroes' bloodshed and tears. Although there are many embarrassing reasons for this traditional morality, such as economy, culture, ideas and so on, the author believes that the imperfection of legal protection mechanism is the root cause of many embarrassing reasons for this noble behavior. At present, there is no unified legislation on the act of doing good deeds in China. Although some local laws and regulations have been formulated in various places, the regulations are different. Although many local governments have paid great attention to the courageous behavior, the focus of attention is mostly on the operation mechanism of sympathy and reward for the courageous behavior. In addition to one-time rewards, they should also study how to solve the worries of the courageous people in medical care, employment and life difficulties according to the situation, and often ignore their own responsibilities. Courageous behavior reflects the actor's highly conscious understanding and moral obligation to the interests of others and society. It is to safeguard social public interests and the interests of others for free on the basis of freedom of behavior. A country ruled by law needs the government in place to safeguard social interests and citizens' interests. When the government fails to perform its functions in time, and the courageous people perform the functions that should be undertaken by the government to protect the people-so the losses suffered cannot be compensated,