1. Studying the causes of crime is helpful to reform criminals. The causes of crime are various, and studying and analyzing the causes of crime is helpful to correct the behavior of criminals. The so-called behavior correction is mainly to educate, influence and save some social members who have committed minor crimes and prevent their behavior from further causing social corrosion and social infection. In recent years, the main measures taken by China include the establishment of help-and-education groups and the establishment of work-study schools. At the same time, we can learn from the experience of "community correction" and correct the problem people in the community through professional social workers, so as to solve the crime problem in the bud;
2. Studying the causes of crime is helpful to predict and prevent crime. Any crime is carried out under the control of a certain ideology of criminals. The idea of studying criminal psychology is to educate potential criminals to understand their psychological characteristics, so as to prevent and put an end to all kinds of deviant behaviors. Among them, ideological education includes moral quality education, organizational discipline education and legal concept education.
3. Studying the causes of crime is the basis of making social improvement plan. At present, China is still in the primary stage, and the contradiction between the growing material and cultural needs and the backward social production has delayed the process of building a harmonious society to some extent. Studying the causes of crime is helpful to discover social contradictions and formulate social improvement plans. We can learn from Singapore's social policies, such as its housing policy and provident fund policy, so that residents can have their own homes and provide for their old age, thus alleviating social contradictions and promoting social stability. In addition, studying the causes of crime is also conducive to the development of conviction, sentencing and criminology theory.
The legal classification of crimes is based on the relevant provisions of the Criminal Law. According to the nature of legal interests infringed by crimes, China's criminal law divides crimes into ten categories: crimes against national security, crimes against public security, crimes against the order of socialist market economy, crimes against citizens' personal rights and democratic rights, crimes against property, crimes against social management order, crimes against national defense interests, crimes of corruption and bribery, crimes of dereliction of duty, and crimes against military duties.
Article 13 of the Criminal Law of People's Republic of China (PRC) stipulates that all acts that endanger the sovereignty, territorial integrity and security of the country, split the country, subvert the people's democratic dictatorship and the socialist system, disrupt the social and economic order, infringe on state-owned property or property collectively owned by the working people, infringe on citizens' private property, infringe on citizens' personal rights, democratic rights and other rights, and other acts that endanger society are crimes and should be punished according to law. however