Legal analysis: urban workers can choose 4-5 medical institutions (including 1 community health service station) as their designated medical institutions for the insured who participate in the basic medical insurance; Urban and rural residents can choose 4 medical institutions (including 1 community health service station) as their designated medical institutions. Designated Class A medical institutions, designated traditional Chinese medicine medical institutions and designated specialized medical institutions can enjoy the basic medical insurance benefits for urban and rural residents without choice or direct medical treatment.

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

Article 23 Employees shall participate in the basic medical insurance for employees, and the employer and employees shall pay the basic medical insurance premium in accordance with the national regulations.

individual industrial and commercial households without employees, part-time employees who have not participated in the basic medical insurance for employees in the employing unit and other flexible employees can participate in the basic medical insurance for employees, and individuals will pay the basic medical insurance premium according to state regulations.

article 26 the treatment standards of 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.

article 28 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.