According to Article 59 of the Civil Service Law of People's Republic of China (PRC), civil servants should abide by the law and discipline, and shall not commit any of the following acts:
(1) Spreading remarks that undermine the authority of the Constitution and the reputation of the Party and the State, and organizing or participating in activities such as assembly, procession and demonstration aimed at opposing the Constitution and the leadership of the Party and the State;
(2) Organizing or participating in an illegal organization, organizing or participating in a strike;
(three) provoke and undermine ethnic relations, participate in ethnic separatist activities or organize and use religious activities to undermine national unity and social stability;
(four) do not assume responsibility, omission, dereliction of duty, delay the work;
(5) refusing to carry out the decisions and orders made by superiors according to law;
(6) Suppressing or retaliating against criticisms, complaints and exposures;
(seven) practicing fraud, misleading and deceiving leaders and the public;
(eight) corruption, taking advantage of his position to seek personal gain for himself or others;
(nine) in violation of financial discipline, wasting state assets;
(ten) abuse of power, infringe upon the legitimate rights and interests of citizens, legal persons or other organizations;
(eleven) revealing state secrets or work secrets;
(twelve) damage the honor and interests of the state in foreign exchanges;
(thirteen) to participate in or support pornography, drug abuse, gambling, superstition and other activities;
(fourteen) in violation of professional ethics, social morality and family virtues;
(fifteen) in violation of the relevant provisions to participate in the prohibition of network communication or network activities;
(sixteen) to engage in or participate in profit-making activities in violation of relevant regulations, and to work part-time in enterprises or other profit-making organizations;
(seventeen) absenteeism or going out on business, vacation expires without justifiable reasons;
(eighteen) other illegal acts.
The above is the answer about whether civil servants can work as part-time training teachers.