Job Recruitment Website - Social security inquiry - Is it better to buy insurance, social security or commercial insurance?

Is it better to buy insurance, social security or commercial insurance?

Social security+commercial insurance = the best combination, because social security has several points, such as medical treatment in different places can not be universal, accidents, including traffic accidents, regardless of the third liability, hospitalization expenses within 1500, death insurance, investment function, loan function, flexible collection, premium exemption and early payment. Details can be discussed!