Do you buy social security when you start?

Buy. According to the provisions of the Labor Law, employees have to buy social security on entry, the company should pay social security, personal social security payment voluntary, the unit did not apply for social security for employees, is illegal, the party can ask for supplemental processing as soon as possible, otherwise you can go to the social security department to report, if there is no social security, the party can also leave and ask for compensation.