The principles of prevention for patients with viral conjunctivitis are mainly based on controlling the source of infection and cutting off the route of infection. First of all, we should avoid contact with patients with viral conjunctivitis, achieve early detection, strict isolation and active treatment; in addition, pay attention to eye hygiene, wash hands regularly, do not rub your eyes with your hands, and avoid sharing towels, eye products, toiletries and utensils with others in daily life.