When the human body needs to replenish water when it is feverish, for the normal population advocates 8 glasses of water per day, roughly converted to 1 day needs water in the range of 1000-1500mL, when the human body has a fever, you can increase the water intake on this basis in moderation. The human body can cause water evaporation and loss with breathing when fever occurs, and water loss can also occur with skin evaporation, so additional water is needed. Depending on the degree of fever and thirst, it is recommended to increase the amount of water consumed and to take small amounts several times. For patients who can take it orally, it can be given in divided doses of about 100mL of water each time and can be taken again at intervals of 0.5-1 hour. Fluid supplementation can also be given according to the patient’s thirst condition. Water supplementation can be added up to 500-1000mL in fever, which needs to be adjusted appropriately according to the patient’s fever level.