The main manifestations of heavy cold include fear of cold, cold limbs, long and clear urine, and loose stools. Heavy cold is further categorized into internal and external cold. Internal cold is due to the lack of yang energy in the body, from which cold is born. It is mostly manifested as coldness (cold body), fear of cold, cold hands and feet, and cold pain in the abdomen; or accompanied by soreness and weakness in the waist and knees, diarrhea (diarrhea before dawn), and loose stools. External cold is caused by the invasion of cold from the outside, mostly manifested as headache and fever, joint pain, numbness of the limbs, pain is reduced by heat, aggravated by cold and other symptoms. If you have related symptoms, it is recommended to consult a doctor to identify and treat the symptoms. And in daily life, pay attention to keep warm, to avoid the invasion of cold; avoid living in cold and wet place; avoid eating cold and cold products.