Lung Yin deficiency is characterized by a dry cough, or sputum that is small and sticky, or blood in the sputum, dry mouth and throat, or mute voice, hot flashes and red cheekbones (reddish color of the cheeks and zygomatic bones), or night sweats (abnormal sweating after going to sleep, but sweating stops after waking up), a red tongue with little fluids, and a thin and countless pulse (a pulse that becomes narrower and finer and increases in rate). These symptoms are caused by deficiency of lung yin and internalized deficiency heat. Lung yin deficiency, loss of clear moisturizing, gas reversal in the upper, so coughing and sputum, dry mouth and throat; cough injury to the lung, so the sputum with blood; yin deficiency and fire is hot, afternoon hot flashes, zygomatic redness, night sweating, hands, feet, and heart heat; tongue red with little moss, pulse is fine, are all the evidence of yin deficiency with heat. It is recommended that patients with lung yin deficiency avoid spicy and greasy foods in their diet to prevent depletion of yin essence. In life, can be appropriate exercise, such as eight brocade. You can also take medication as prescribed by your doctor. If the body is not feeling well, it is recommended to go to the hospital in time.