According to Chinese medicine, dryness and itching of the eyes are related to inflammation of the liver and yin deficiency, and need to be recognized in conjunction with specific manifestations. The liver opens the orifices of the eyes, and when the function of the liver is abnormal, it can lead to discomfort in the eyes. Excessive liver fire or hyperactivity of liver yang (high liver yang, causing dizziness, dizziness, headache, etc.) can cause liver fire to inflame the eyes, resulting in redness, dryness, and blurred vision, accompanied by irritability, bitter taste in the mouth, and dizziness. Yin fluid has the role of moistening and moisturizing, yin deficiency, deficiency of yin fluid, can not be glorified in the eyes, will lead to eyes dry and itchy. If it is caused by yin deficiency of the liver and kidney, it is mostly manifested as dryness and photophobia of the eyes, blinking frequently, accompanied by lumbar and knee pain, dizziness, tinnitus, sleepy nights and other symptoms. When there is deficiency of qi and yin, it will be manifested as dryness of the eyes, blurred vision, fatigue (mental fatigue, physical fatigue), dryness of the mouth with little fluids, dryness of the bowels with little urination, etc. Yin deficiency with dampness-heat will lead to dryness and pain of the eyes, fatigue, dryness of the mouth, dryness of the bowels with yellowish color of the urine and other symptoms. Therefore, it can be analyzed according to the symptoms of both eyes and combined with other manifestations. If there is any discomfort, it is recommended to consult a doctor in time.