If you are afraid of cold after a sudden change in weather, you may not be able to adapt to the cold environment for a while, but if you find yourself more afraid of cold than your friends and relatives around you, you may have a physical problem and should go to the hospital in time. According to Chinese medicine, this abnormal fear of cold is a typical symptom of Yang deficiency. Yang deficiency is a condition in which the body’s yang energy is weak and damaged, and there is no way to restrain the cold energy, warm the body, and the function of propulsion and qi transformation is diminished. The common symptoms of Yang deficiency include pale complexion, fatigue, drowsiness and drowsiness. White, fatigue, drowsiness, laziness, fear of cold, lack of warmth in the extremities, spontaneous sweating, sleeping with a tendency to curl up the body, loss of appetite, unformed stools, pale and fat tongue, white moist coating, late and weak pulse, etc. Treatment is based on nourishing Yang Qi and is often used in the form of Bao Yuan Tang. Fear of cold is another possibility, that is, table deficiency evidence. The table deficiency evidence caused by external sensation has the manifestation of evil wind and cold, while the table deficiency evidence caused by lung and spleen qi deficiency, that is, Wei Yang does not take care of, the couples of the muscle surface are loose, so it will manifest as fear of cold and easy to catch cold. If the fear of cold has affected the quality of life, you should promptly go to the internal medicine department of traditional Chinese medicine, usually pay attention to keep warm, eat less cold and do not blow after exercise.