There are many precautions for cataract surgery, such as making sure that there is no active inflammation in the eye before surgery, as well as maintaining strict eye hygiene after surgery, not rubbing the eyes, and avoiding trauma or squeezing the eyes. Cataract is a common disease in ophthalmology, which occurs in middle-aged and old people, and may lead to vision loss, thus affecting the normal life of the patients, usually need to restore vision through surgical treatment, patients should pay attention to make sure that there is no active inflammation in the eye before the operation, for example, conjunctivitis, keratitis, etc. Otherwise, it may affect the safety of the operation, and post-surgical infection may occur. After the surgery, patients should pay attention to strictly maintain eye hygiene, do not feel free to use your hands to rub your eyes, not to mention dirty water, fumes, etc. into the eyes, and also pay attention to avoid strenuous exercise to avoid the eyes from being squeezed. It is recommended that patients go to the ophthalmology department of a regular hospital for detailed consultation and treatment as prescribed by the doctor.