Yin and Yang deficiencies can be recognized by their meanings and their symptomatic manifestations. Yin deficiency refers to a deficiency of yin fluid, while yang deficiency refers to a deficiency of yang energy. In terms of meaning, yin deficiency refers to a deficiency of yin fluid in the human body, which may result in reduced nourishment and moistening, or yin does not inhibit yang, and yang is overactive, which is mainly manifested as a dry mouth and tongue, five heart-heat (heat in the heart of the hands and feet, and self-consciousness of the heart and chest), hot flashes and night sweats, and other as. Yang deficiency refers to the loss of yang qi in the human body, and there will be a loss of functions such as warming and promoting, which is mainly manifested as coldness and coldness of the limbs. In terms of symptoms, yin deficiency manifests itself as emaciation, dry mouth and throat, red cheekbones (reddish color of cheekbones on both sides of the face), heat (heat in the hearts of the hands and feet, and consciously hot in the heart and chest), hot flashes (a burst of heat), night sweats (abnormal sweating after going to sleep, and sweating stops after waking up), short, yellowish urine, and dry, knotty stools, etc. Yang deficiency manifests itself in the form of coldness, coldness, coldness, coldness, and coldness. Yang deficiency manifests itself in the form of coldness, coldness of limbs, light mouth without thirst, or liking hot drinks, or spontaneous sweating (involuntary sweating during the day, aggravated by sweating with slight movement), clear and long urination or urination, swelling, and thinning of stools. If you suffer from Yin and Yang deficiencies, please go to the hospital and take medication under the doctor’s guidance.