Legal analysis: Civil servants can buy and sell stocks and securities investment funds after working hours, but they must abide by relevant regulations.

Legal basis: Article 59 of the Civil Service Law of the People's Republic of China, civil servants shall abide by the law and shall not commit any of the following acts:

(1) Spreading remarks that undermine the authority of the Constitution, the reputation of the China * * * production party and the state, and organizing or participating in activities aimed at opposing the Constitution, the leadership of the China * * * production party and the state;

(2) organizing or participating in illegal organizations, organizing or participating in strikes;

(3) provoke and undermine ethnic relations, participate in ethnic separatist activities or organize and use religious activities to undermine ethnic unity and social stability;

(4) failure to take responsibility, omission, dereliction of duty and delay work;

(5) refusing to carry out decisions and orders made by superiors according to law;

(6) to suppress or retaliate against criticism, complaint, accusation and accusation;

(7) practicing fraud, misleading and deceiving leaders and the public;

(8) corruption and bribery, taking advantage of his position to seek personal gain for himself or others;

(9) Violating financial discipline and wasting national assets;

(1) Abuse of power to infringe upon the lawful rights and interests of citizens, legal persons or other organizations;

(11) divulging state secrets or work secrets;

(12) damaging the national honor and interests in foreign exchanges;

(13) participating in or supporting pornography, drug abuse, gambling, superstition and other activities;

(14) Violating professional ethics, social morality and family virtues;

(15) participating in prohibited network communication or network activities in violation of relevant regulations;

(16) engaging in or participating in profit-making activities in violation of relevant regulations, and holding concurrent positions in enterprises or other profit-making organizations;

(XVII) Absenteeism, going out on business, and failing to return when the leave expires without justifiable reasons;

(18) other acts violating discipline and law.