Sauna does not have the function of treating colds, and treating colds through sauna is generally ineffective and may aggravate the condition of cold patients. Sauna refers to the use of steam in a closed room on the human body for dry steam, through thermal stimulation to accelerate blood circulation to achieve relaxation of muscles, relieve fatigue effect. Colds are a kind of upper respiratory tract infectious disease caused by viral infection, so sauna is not a cure for colds. During a cold, you need to rest and replenish water, and sauna will make the body water evaporation, not only can’t relieve the fatigue caused by the cold, but also may aggravate the patient’s feeling of fatigue. In addition, if the patient has fever symptoms, sauna is not conducive to the body’s heat dissipation, which may lead to fever aggravation. If the symptoms of cold and flu patients are serious, it is recommended to consult a doctor in a timely manner, under the guidance of a professional doctor for treatment.