1. The concept is different: police is a profession and public security is a function. The police is a big concept, and its functions include public security, justice and national security. Public safety is a function of the police profession.

2. Different composition: From the composition point of view, the police are a part of the public security organs; The public security department is an important carrier of the police system.

3. Different institutions: China's police department is composed of people's police and judicial police, among which people's police include police from public security system, national security system and prison reeducation through labor system. So the police are part of the police, and the public security is part of the police.

Extended data

The functions and powers of the people's police

Chapter II of the People's Police Law of the People's Republic of China stipulates the functions and powers of the people's police.

Article 6 The people's police of public security organs shall perform the following duties according to the division of responsibilities:

1. Prevent, stop and investigate illegal and criminal activities;

Second, maintain social order and stop acts that endanger social order;

Third, maintain traffic safety and traffic order and deal with traffic accidents;

Four, organize the implementation of fire control work, the implementation of fire supervision;

Five, the management of firearms and ammunition, knives and flammable, explosive, toxic, radioactive and other dangerous goods;

Six, the management of special industries as stipulated by laws and regulations;

Seven, guard the specific personnel stipulated by the state, guard important places and facilities;

8. Manage assemblies, processions and demonstrations;

Nine, the management of household administration, nationality, entry and exit affairs and foreigners' residence and travel in China;

Ten, to maintain public order in the country (border) area;

1 1. To execute criminal punishments for criminals sentenced to public surveillance, criminal detention or deprivation of political rights and criminals executed outside prison, and to supervise and inspect criminals who have been declared suspended or paroled;

Twelve, supervision and management of computer information system security protection work;

Thirteen, guide and supervise the public security work of state organs, social organizations, enterprises and institutions and key construction projects, and guide the public security work of mass organizations such as public security committees;

14. Other duties as prescribed by laws and regulations.

References:

Baidu encyclopedia-public security

Baidu encyclopedia-police

Baidu Encyclopedia-People's Police Law of the People's Republic of China