The law does not explicitly require sick leave to have a hospital certificate. However, in actual work, in order to ask for paid sick leave and avoid employees abusing paid sick leave, it is usually necessary to provide some certificates according to the specific situation of the employer: 1, sick leave certificate issued by the hospital. The certificate must be signed by the attending doctor and stamped with the official seal of the hospital; 2. Take a vacation. Or other similar certificates within the employer. "On the implementation of Article 59 of the Labor Law of People's Republic of China (PRC) and Article 3 of the Provisions on the Medical Treatment Period for Sickness or Non-work-related Injury of Enterprise Employees"

Legal objectivity:

Article 4 of the Provisions on the Medical Treatment Period of Enterprise Employees Suffering from Illness or Non-work-related Injury, if the medical treatment period is three months, it shall be calculated according to the accumulated sick leave time within six months; For six months, calculate the accumulated sick leave time within twelve months; Nine months is calculated according to the accumulated sick leave time within fifteen months; Twelve months is calculated according to the accumulated sick leave time within eighteen months; Eighteen months is calculated according to the accumulated sick leave time within twenty-four months; Twenty-four months is calculated according to the accumulated sick leave time within 30 months. Article 32 of the Regulations on the Administration of Medical Institutions: A medical institution shall not issue a disease diagnosis certificate, a health certificate or a death certificate without a doctor personally examining the patient; A medical institution may not issue a medical certificate of birth or a stillbirth report without a doctor or midwife personally delivering the baby.