Not necessarily. You can ask for sick leave according to the discharge summary or hospital certificate during hospitalization. After hospitalization, according to the disease certificate issued by the hospital, it is suggested how much time to rest and ask for sick leave according to the time on the disease certificate. Rest without a hospital certificate is not considered sick leave. If the employer terminates the labor contract and the trade union considers it inappropriate, it has the right to put forward opinions. If the employing unit violates laws, regulations or labor contracts, the trade union has the right to request re-handling; If a laborer applies for arbitration or brings a lawsuit, the trade union shall give support and help according to law. From the time when the medical practitioner's diagnosis certificate comes into effect, it shall be calculated according to the natural calendar of the Gregorian calendar. That is to say, after the doctor makes a diagnosis, it is recommended to rest for three days, so the sick leave will be counted from the day when the doctor gives the diagnosis result. If the medical treatment period is three months, the accumulated sick leave time within six months shall be calculated; 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. If there is a suggestion on how long to rest on the discharge certificate, you can rest. If you need to communicate specifically with the unit, you can bring a sick note with a seal and a doctor's signature. It means that when an employee needs to stop medical treatment due to illness or non-work-related injury, the enterprise shall give certain sick leave according to the actual working years of the employee and the working years in the unit. Workers on sick leave can get paid as usual. Sick pay is not less than 80% of the local minimum wage.

Legal basis:

Labor law of the people's Republic of China

Article 29 Under any of the following circumstances, the employing unit may not terminate the labor contract in accordance with the provisions of Articles 26 and 27 of this Law:

(a) suffering from occupational diseases or work-related injuries and being confirmed to have lost or partially lost the ability to work;

(2) Being sick or injured within the prescribed medical treatment period;

(3) Female employees during pregnancy, childbirth and lactation;

(4) Other circumstances stipulated by laws and administrative regulations.