Do enterprises with less than 50 employees need to buy social security?

Need. According to the Regulations on Social Insurance for Small and Micro Enterprises in People's Republic of China (PRC), small and micro enterprises with more than 5 employees need to pay social security, enterprises with less than 50 employees also need to pay social security, and small and micro enterprises with less than 5 employees do not need to pay social security. Enterprises should choose appropriate social security payment methods according to their own conditions. Social security refers to social insurance, mainly including endowment insurance, medical insurance, maternity insurance, unemployment insurance and industrial injury insurance.