A deficiency of qi can lead to a fear of cold. Qi deficiency generally refers to the deficiency and insufficiency of qi, which has the functions of promoting, warming, defending, fixing (consolidating), and gasification, etc. If the warming function of qi is abnormal, the manifestation of fear of cold will occur. Symptoms of qi deficiency will mostly be manifested as shortness of breath, low voice, lack of energy and laziness (lack of strength, do not want to talk), mental fatigue, tiredness, weakness, weak pulse, pale tongue, or dizziness, self-sweating (involuntary sweating during the day, a little sweat aggravated by movement), and aggravation of symptoms when moving, etc. The symptoms are different because of the degree of the disease. Because the degree of the disease is different symptoms are also different, qi deficiency will lead to the function of the internal organs of the loss of qi warming effect, so it will be manifested as fear of cold. The further development of qi deficiency will lead to yang deficiency, and if yang deficiency occurs, the manifestation of fear of cold will be more obvious. If the symptoms of qi deficiency, it is recommended that according to the different symptoms of their own conditions, under the guidance of the doctor in a timely and symptomatic treatment.