Red eye, medically known as epidemic hemorrhagic conjunctivitis, is an inflammatory disease of the conjunctival tissue caused by enterovirus type 70 infection, often occurring in outbreaks and epidemics during the summer and fall. The disease is contagious and has a rapid onset, with most developing in both eyes simultaneously or sequentially within 24 hours of exposure. The duration of the disease is usually less than 3 weeks, and it can affect any population and age group, especially children and adolescents. The clinical diagnosis can be made generally based on the history and characteristics of acute onset, symptoms and signs, and should be combined with relevant examinations to further clarify the diagnosis. 1. Judgment of pink eye 1. Judgment according to clinical manifestations (1) symptoms: conscious symptoms often include foreign body sensation, eye pain, burning sensation, photophobia and tearing; (2) signs: conjunctival congestion and edema, increased aqueous discharge, subconjunctival hemorrhage, papillary hyperplasia, follicle formation, membrane or pseudomembrane formation, enlarged and painful preauricular lymph nodes. 2. Judged by auxiliary examinations Laboratory examinations, including conjunctival scraping and smear examination of secretions, pathogen culture, immunological and serological examinations, etc., are used to further clarify the etiology. Second, the treatment of red eye 1, general treatment: pay attention to isolation, avoid cross-infection, keep the eye open and clean, and avoid bandaging the affected eye. Initially, cold compresses can be applied to help reduce swelling and redness; 2, drug therapy: local drug therapy is the main focus, generally using local eye drops can control the disease, commonly used antiviral drugs such as acyclovir, ganciclovir eye drops, while using high quality artificial tears such as sodium vitreous acid to protect the cornea or repair damage, can be under the guidance of doctors to use appropriate amounts of glucocorticoids.