Chinese medicine is considered to be caused by weakness of yang qi also known as failure of vital fire, insufficient true fire, which is also caused by kidney deficiency and kidney yang deficiency. This will lead to the situation that Yang Qi cannot reach the warmth of the limbs, and half of the body is cold. Symptomatic treatment can be carried out through medicines, such as Right Angelica Pill, Jin Gui Kidney Qi Pill, Ba Zhen Tang, Si Jun Zi Tang, etc. can be used to tonify the spleen and kidneys, and warm up the life gate to make the coldness of the half of the body significantly better. According to modern medicine, the coldness in the half of the body is mostly due to certain problems in the central nervous system. For example, there is insufficient cerebral blood supply or other diseases, can be through the relevant examination, including TCD, and nuclear magnetic, CT and so on. Targeted examination, targeted treatment. This can be an effective treatment for half of the body cold.