Beijing social security base is adjusted once every few months.

Legal analysis: the social security payment base is adjusted once a year in July, and the upper and lower limits of the new payment base are determined according to the social wage of the previous year.

Legal basis: Article 25 of the Social Insurance Law of People's Republic of China (PRC), the state establishes and improves the basic medical insurance system for urban residents. The basic medical insurance for urban residents combines individual contributions with government subsidies. People who enjoy the minimum living guarantee, disabled people who have lost their ability to work, elderly people and minors over 60 years old in low-income families, etc. , subsidized by the government.