The foot soak has the effect of relaxing the tendons and blood as well as dispersing wind and cold, cold and damp. After a cold, due to the large amount of cold energy in the body, the meridians are contracted and there are symptoms of pain, in addition to the fear of cold and cold. If this type of cold, wind-cold cold, wind-cold cold period, the foot soak method is very good effect, with some mugwort leaves, add some ginger, white mustard seeds to the foot soak water, can play the role of soothing tendons and blood, evacuate wind-cold. If it is a wind-heat cold, such as cough, cough yellow phlegm, dry mouth, thirst, love to drink water, irritable, love to sweat, this symptom is not very suitable for foot soak, will play the effect of adding fuel to the fire, it is recommended to distinguish their own type of cold before treatment, the effect is better.