Legal analysis: As an electronic medical insurance card, it can not only purchase medicines by credit card, but also handle medical insurance business such as insurance payment, insurance voucher printing and basic information change.

Legal basis: Social Insurance Law of the People's Republic of China.

Article 2 The state establishes social insurance systems such as basic old-age insurance, basic medical insurance, industrial injury insurance, unemployment insurance and maternity insurance, so as to guarantee citizens' right to get material help from the state and society according to law in case of old age, illness, industrial injury, unemployment and maternity.

Twenty-sixth basic medical insurance for employees, new rural cooperative medical care and basic medical insurance for urban residents shall be implemented in accordance with state regulations.

Twenty-eighth medical expenses that meet the basic medical insurance drug list, diagnosis and treatment items, medical service facilities standards and emergency and rescue shall be paid from the basic medical insurance fund in accordance with state regulations.