What will happen if the unit doesn't buy social security?

Legal analysis: the consequences of units not buying social security are: social security agencies have the right to directly fine employers and responsible persons who do not apply for social security registration; Social security agencies have the right to directly fine employers who fail to pay social insurance premiums in full and on time; Employees can therefore terminate the labor contract and ask the unit to pay economic compensation.

Legal basis: Article 38 of People's Republic of China (PRC) Labor Contract Law. In any of the following circumstances, the employee may terminate the labor contract:

(1) Failing to provide labor protection or working conditions as agreed in the labor contract;

(2) Failing to pay labor remuneration in full and on time;

(3) Failing to pay social insurance premiums for laborers according to law;

(4) The rules and regulations of the employing unit violate the provisions of laws and regulations and damage the rights and interests of workers;

(5) The labor contract is invalid due to the circumstances specified in the first paragraph of Article 26 of this Law;

(6) Other circumstances under which the laborer can terminate the labor contract as stipulated by laws and administrative regulations.