Coldness of the body may be related to causes such as Yang deficiency, blood deficiency and Qi deficiency. For example, yang deficiency is caused by the body’s lack of yang qi and the weakening of the warming function. 1. Yang deficiency: The symptoms of Yang deficiency mainly include coldness (fear of cold, cold limbs), long and clear urination, pale face, and fatigue. 2. Blood deficiency: blood deficiency is mainly due to insufficient blood in the human body, unable to adequately nourish the internal organs, meridians and so on, so that the nutrition and nourishment of the whole body and the maintenance of the human body’s mental activities due to the weakening of the function. Common symptoms include coldness, dryness of hair, dizziness, insomnia, and weak pulse. 3. Qi deficiency: the weakening of the qi’s functions of promoting, warming and defending, leading to the body’s functional decline, resulting in shortness of breath, fatigue, dizziness and other symptoms. Cold body may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.