Teachers need to pay social security after they become full members. Can they not pay?

Teachers need to pay social security after they become full members. Social security is a basic welfare stipulated by national laws, which aims to ensure that workers can get economic security in the case of old age, illness, work injury and so on. For teachers, paying social security can enjoy old-age insurance, medical insurance and unemployment insurance, and these insurances can get corresponding treatment according to regulations after teachers retire.