Adult 36℃ is not a low fever and patients need not worry too much. Generally speaking, the normal oral temperature of adults in a quiet state is 36.3℃-37.2℃, the normal rectal temperature is 36.5℃-37.7℃, the normal axillary temperature is 36.0℃-37.0℃, and the body temperature may vary physiologically by 0.5℃ up and down with day and night, age, activity, gender, emotion and other factors. Therefore, 36℃ may belong to normal body temperature, and as long as there are no other abnormal symptoms such as headache and cough, it is not necessary to deal with it and monitor it regularly. At the same time, 36℃ also has the possibility of hypothermia. If the body temperature continues to fall, accompanied by symptoms such as fear of cold, weakness, swollen feeling of hands and feet, ginger skin on palms and feet, facial or eyelid edema, it is recommended to go to the hospital general internal medicine department in time to identify the cause and carry out targeted treatment. Patients are advised to drink more water, eat fresh vegetables and fruits in appropriate amounts, ensure regular rest and rest, pay attention to keeping warm and avoid getting cold. If the body temperature continues to drop or reaches 38.5℃ or above, promptly go to the internal medicine department of the hospital.