Circumstances when the unit terminates the labor contract after the probation period: if the worker is negligently dismissed, the employer unilaterally terminates the labor contract; In case of non negligent dismissal of the employee, the employer shall terminate the labor contract after notifying the employee in writing 30 days in advance or paying the employee an additional month's salary; other.
 Legal basis
 Article 39 of the Labor Contract Law of the People's Republic of China (2012 Revision) [The Employer unilaterally terminates the labor contract (negligent dismissal)] The Employer may terminate the labor contract in any of the following circumstances:
 （1） It is proved that the employee does not meet the employment conditions during the probation period;
 （2） Seriously violating the rules and regulations of the employing unit;
 （3） Serious dereliction of duty or engaging in malpractice for selfish ends, causing major damage to the employing unit;
 （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 his own unit, or refuses to correct after being proposed by the employer;
 （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.