Is there social security when you leave your job in the first half of the month?

Legal analysis: it should be paid. According to the national regulations, you should pay social security for the labor remuneration in the month when you work there. Didn't say anything about the salary cycle. You can see when my labor contract is dissolved or terminated.

Legal basis: Article 72 of the Labor Law of People's Republic of China (PRC): The social insurance fund determines the source of funds according to the types of insurance, and gradually implements social pooling. Employers and workers must participate in social insurance and pay social insurance premiums according to law.