Computers, auditing and accounting, health care. The social security audit center in Yunxi District, Yueyang City has a very strict audit. Professional knowledge is tested in computer, auditing and accounting, medical and health care, and the examination subjects of different recruitment systems are not the same. The medical insurance audit center of Yunxi District, Yueyang City, located in Yueyang City, Hunan Province, is mainly responsible for supervising the safe operation of the medical insurance fund and carrying out the audit of the medical insurance fund.