The body may be hot and dry is a normal phenomenon, may also be a deficiency of yin and fire (Yin essence deficit in the body, the emergence of excessive fire), liver and gallbladder dampness and heat (dampness and heat in the liver and gallbladder) and other factors lead to. 1. Normal phenomenon: If you are in a hot summer environment, or after strenuous exercise, you may experience the phenomenon of body heatiness. 2. Yin deficiency and fire (deficiency of yin essence in the body, the emergence of excessive deficiency fire): due to the deficiency of yin fluid, resulting in excessive deficiency fire, clinical dryness of the mouth, dryness of the throat, hot flashes (a burst of heat) night sweats (abnormal sweating after going to sleep, waking up sweating stops), five heart heat (the heart of the heart of the two hands and the heart of the two feet, and consciously hot heart and chest), the two cheeks flushed (the color of the zygomatic bone area of the face on both sides of the redness), and other symptoms. 3. Damp-heat of the liver and gallbladder (damp-heat evils accumulated in the liver and gallbladder): Damp-heat evils accumulate in the liver and gallbladder, clinical symptoms such as body heat, irritability, chest and hypochondriac distension and pain, abdominal distension and anorexia, dryness and bitterness of the mouth, and short and red urine (urine is small in volume and dark yellow in color) can be seen. If symptoms occur, it is recommended to consult a doctor in time to identify the cause of the disease and treat it positively, so as to avoid delaying the condition and causing adverse consequences.