Typically, antibiotic eye drops are prescribed before cataract surgery in order to clean the surface of the eye and the conjunctival sac and to reduce the possibility of postoperative infection. Usually three days before having cataract surgery, antibiotic-type eye drops, such as levofloxacin hydrochloride eye drops and tobramycin eye drops, should be regulated as prescribed by the doctor. Because the surface of the eyeball is in contact with the outside world for relief, there may be bacterial colonization, so antibiotic eye drops should be put in place before the operation, which can better prevent postoperative infection. In addition, patients also need to flush the tear ducts, if there is inflammation in the lacrimal sacs, the surgery is usually performed after the inflammation subsides, and patients with high blood pressure need to control their blood pressure in a safe range to reduce the risk of surgery. Cataract patients are advised to seek prompt medical attention to assess their condition and follow the doctor’s instructions.