The five bans on public security refer to the five bans issued by the Ministry of Public Security on February 18, 2003 and implemented on March 1 2003, including:

It is strictly forbidden to engage in double dealing and double dealing. It is absolutely forbidden to violate political discipline, be disloyal and dishonest to the party, form a party for selfish ends, and form gangs.

It is strictly forbidden to participate in profit-making activities in violation of regulations. It is absolutely not allowed to participate in or start a business in violation of regulations, take part-time jobs in violation of regulations, and condone activities involving black and evil.

It is strictly forbidden to shield or connive at key criminals. Never allow profit-seeking law enforcement, ultra vires law enforcement and excessive law enforcement.

Abuse of law enforcement jurisdiction is strictly prohibited. Never allow profit-seeking law enforcement, ultra vires law enforcement and excessive law enforcement.

It is strictly forbidden to intervene in economic activities such as project contracting and land use right transfer. It is absolutely not allowed to participate in project contracting and land use right transfer in violation of regulations, and condone activities involving black and evil. It is strictly forbidden to engage in double dealing and play double dealing. Never violate policies and decrees, be disloyal to the party, speculate, practice fraud, and deceive the superior and deceive the inferior.

It is strictly forbidden to participate in profit-making activities in violation of regulations. Never allow illegal participation in business-run enterprises or illegal participation in loans. Indulge in triad-related activities, triad-related activities, "village tyrants" and clan evil forces, and gambling activities related to pornography. Illegal participation in business-run enterprises and illegal participation in lending. Indulge in triad-related activities, triad-related activities, "village tyrants" and clan evil forces, and gambling activities related to pornography.

It is strictly forbidden to cover up or condone activities involving black and evil. Never allow a case-by-case petition step by step. Indulge in black and evil activities, illegally participate in business-run enterprises, and participate in illegal lending. Indulge in triad-related activities, triad-related activities, "village tyrants" and clan evil forces, and gambling activities related to pornography.

Abuse of law enforcement jurisdiction is strictly prohibited. Never allow a case-by-case petition step by step. Intervention in economic disputes, illegal participation in business-run enterprises and illegal participation in loans. Illegal participation in business-run enterprises and illegal participation in lending. Intervene in economic disputes in violation of regulations. Intervention in economic disputes, illegal intervention in economic disputes.

It is strictly forbidden to cover up or condone illegal and criminal acts in the literary and art circles. Never allow illegal participation in profit-making literary and artistic activities. Cover up and connive at illegal and criminal acts in the literary and art circles, and participate in profit-making literary and artistic activities in violation of regulations. Cover up and connive at illegal and criminal acts in the literary and art circles, cover up and connive at illegal and criminal acts in the literary and art circles, and participate in profit-making literary and artistic activities in violation of regulations.

To sum up, the five public security bans are a series of strict regulations formulated by the Ministry of Public Security in order to strengthen the discipline construction of the public security team and improve the level of law enforcement. The purpose of these bans is to ensure the purity and combat effectiveness of the public security team and safeguard social stability, fairness and justice.

Legal basis:

The Law of the People's Police of the People's Republic of China stipulates that the people's police should perform the duties of "safeguarding national security, maintaining social order, protecting citizens' personal safety, personal freedom and legitimate property, protecting public property, and preventing, stopping and punishing illegal and criminal activities" according to law. At the same time, the law also stipulates that the people's police shall not engage in profit-making business activities, and shall not abuse their powers, neglect their duties or engage in malpractices for personal gain.