Fear of cold and cold can not blow the air conditioning may be caused by the weakness of yang qi, it is recommended to combine with the systemic symptoms to determine. Fear of cold often suggests that there is a deficiency of yang qi, can not warm the body, and fear of cold; if yang qi deficiency, involving Wei qi, Wei qi is not solid (defending the human body’s muscle surface of the positive qi is not enough), the coupling (the texture of the skin and muscles) sparse, then there is a fear of the wind, fear of cold, or can not be blowing the air conditioning. Yang qi weakness of the whole body manifestations of fear of cold, curled up, limbs are not warm, pale, fatigue (mental exhaustion, physical weakness) and so on. If it is kidney yang deficiency, it can be seen as lumbar and knee soreness (the feeling of lumbar and knee soreness and weakness), fear of cold, tinnitus and dizziness, etc.; if it is heart yang deficiency, palpitations (heartbeat accelerated, often accompanied by panic), insomnia, etc.; if it is spleen yang deficiency, it can be seen as diarrhea, weakness of the limbs, etc.. For treatment, if there is Kidney Yang deficiency, Jin Gui Ren Qi Pills can be used; if there is Heart Yang deficiency, Gui Zhi Gan Cao Tang can be used; if there is Spleen Yang deficiency, Lizhong Pills can be used. In case of yang qi deficiency, it is recommended to ask the doctor for a clear diagnosis and standardize the treatment under the doctor’s guidance.