Traditional Chinese medicine believes that warming the yang qi and nourishing the yin blood are necessary to maintain warmth in the limbs. Limbs are not warm and difficult to warm up, which is related to "depression" and "deficiency". For example, those with weak yang energy are more susceptible to invasion by cold pathogens, with obvious coldness in their limbs, and those who live indoors for a long time and have less activity are even more severe; Individuals with insufficient Yin blood cannot nourish their limbs, leading to blood deficiency and cold hands and feet; People with weak spleen and stomach have poor digestion and absorption, and are prone to insufficient qi and blood biochemistry, as well as cold limbs. It is advisable to sunbathe in winter, facing away from the sun, warming the back, and warming the bladder meridian for about 30 minutes, which helps to promote the development of yang energy in the kidneys. Adopting traditional Chinese medicine external treatment therapy. Moxibustion at acupoints such as Hegu, Guanyuan, Qihai, and Zusanli can warm the meridians, dispel coldness, and promote the circulation of qi and blood. Cupping the bladder meridian on the back can clear meridians, regulate yin and yang balance, stimulate qi and blood circulation, and is commonly used for limb hypothermia caused by qi stagnation and blood stasis. Using traditional Chinese medicine such as mugwort leaves, safflower, and cassia twigs to boil and soak feet in water can warm the meridians and unblock the meridians, and improve symptoms such as cold hands and feet. Eating warm foods such as beef, lamb, ginger, and garlic in moderation can help warm up the body's yang energy and dispel coldness. Eating foods such as astragalus, angelica, red dates, and longan that nourish qi and blood can promote the nourishment of qi and blood in the limbs. Aerobic exercise can promote blood circulation and stimulate the generation of yang energy in the body. For those with insufficient yang energy, traditional health practices such as Tai Chi, Five Animal Play, and Eight Section Brocade can also be tried to guide the circulation of qi and blood in the limbs. (New Society)