About fifty to sixty percent. According to the provisions of Article 29 of the Social Insurance Law of People's Republic of China (PRC), the part of the insured's medical expenses that should be paid by the basic medical insurance fund shall be directly settled by social insurance agencies, medical institutions and pharmaceutical business units, of which the hospitalization expenses for pneumonia are 6,000 yuan, and the proportion of medical insurance reimbursement is about 50% to 60%.