The patient’s eyes are dry, astringent and itchy, which may be caused by using electronic products for too long, but it is not ruled out that it is caused by dry eye, allergic conjunctivitis and other reasons. 1. Using electronic products for too long: patients using electronic products for a long time, such as cell phones, computers, tablets, etc., easy to lead to eye fatigue, resulting in patients with dry eyes, itchy and other discomfort. Patients should minimize the use of electronic products time, pay attention to eye rest. 2. Dry eye: dry eye is mostly due to insufficient tear secretion, excessive evaporation or abnormal composition of tears, which causes eye discomfort and visual dysfunction, and patients may have dry eyes, itchy and other discomfort symptoms. 3. Allergic conjunctivitis: The conjunctiva is often exposed and easily comes into contact with allergens in the air, such as pollen, dust, dust mites, cosmetics, animal fur, and proteins of various microorganisms. Allergic conjunctivitis can occur in allergic patients, which in turn can lead to dry, itchy eyes and other uncomfortable symptoms. Patients with dry and itchy eyes are advised to consult a doctor promptly to assess their condition and follow the doctor’s instructions for treatment.