legal ground
Article 39 of People's Republic of China (PRC) Labor Contract Law
In any of the following circumstances, the employer may terminate the labor contract:
(a) during the probation period, it is proved that it does not meet the employment conditions;
(two) a serious violation of the rules and regulations of the employer;
(three) serious dereliction of duty, corruption, causing great damage to the employer;
(4) The laborer establishes labor relations with other employers at the same time, which has a serious impact on the completion of the work tasks of the unit, or the employer refuses to correct it;
(5) The labor contract is invalid due to the circumstances specified in Item 1 of Paragraph 1 of Article 26 of this Law;
(6) Being investigated for criminal responsibility according to law.