Cancer can develop in the eye. Eye cancer usually refers to malignant tumors within the eye, and common tumors include retinoblastoma, choroidal malignant melanoma, and lid adenocarcinoma. All of them may cause patients to have symptoms of vision loss and visual field loss. Blepharocarcinoma may be associated with heredity, lack of pigmentation around the eyelids, prolonged exposure to ultraviolet light, and malnutrition. Retinoblastoma is mainly a malignant lesion of the anterior ganglion cells of the photoreceptors of the eye, while choroidal malignant melanoma may be related to genetic factors, endocrine factors, viral infection factors, and environmental factors. Retinoblastoma, choroidal malignant melanoma and leptomeningeal adenocarcinoma can be treated by surgery. Patients should pay attention to looking less at electronic products, pay attention to eye hygiene and avoid eating spicy and stimulating food in their normal life. When patients have eye cancer, they should go to the hospital for consultation in time, and actively cooperate with doctors’ treatment after clarifying the cause of the disease.