Red, itchy eyes need to look at the specific causes of symptoms, according to the cause of targeted treatment. The causes are: first, consider allergic conjunctivitis, the eyes will appear persistent itching difficult to relieve, accompanied by tear overflow, the topical use of anti-allergic eye drops for anti-allergy treatment, commonly used mast cell stabilizers, such as sodium cromoglycate eye drops, H-receptor antagonists, such as emetastatin eye drops, corticosteroid hormones, such as tobramycin dexamethasone eye drops, non-steroidal anti-inflammatory drugs, such as Pranoprofen eye drops, the use of drugs can be appropriate cold compresses to reduce the symptoms. Secondly, considering acute bacterial conjunctivitis, eyes in addition to red, itchy with increased secretion, should use antibiotic eye drops local anti-infection treatment, commonly used are levofloxacin eye drops, tobramycin eye drops, chloramphenicol eye drops. Thirdly, if the eyelids are red and itchy, it is considered to be allergic dermatitis, which is a kind of allergic inflammation of eyelid tissues, and the main measure is to apply corticosteroid eye ointment locally on the eyelids for anti-inflammatory treatment. Any cause of red, itchy eyes, it is recommended to consult a doctor in a timely manner, a clear diagnosis, under the guidance of the physician medication, while not arbitrarily stopping the medication, follow the doctor’s instructions to change the amount of medication or stop the medication.