Legal analysis: the balance of the basic medical insurance fund refers to the balance of all the income of the basic medical insurance fund MINUS all the expenses, including the balance of the basic medical insurance pooling fund and the balance of the medical insurance personal account fund.

Legal basis: Regulations of People's Republic of China (PRC) on Medical Insurance.

Article 44 With a personal account, patients can seek medical treatment and purchase medicines at any designated medical institution or pharmacy. According to the provisions of the medical expenses paid by the overall fund, patients should go to designated medical institutions for medical treatment.

Forty-fifth medical expenses paid by the overall fund can be implemented in advance according to the principle of total control.