After deciding on the surgical treatment, the patient should actively cooperate with the doctor to do the necessary examination and laboratory tests, and if there are other systemic diseases (such as hypertension, diabetes, heart disease, etc.) should be well controlled by the treatment with the assistance of a specialist to ensure the safety of the surgery. And communicate with the doctor in charge for pre-operative talk and sign the surgery agreement. I. Matters that should be noted by patients before surgery 1. Relax mentally, keep a happy mood and avoid anxiety. 2.Get enough sleep at night, ensure rest, and have a normal life. 3.Avoid getting cold to prevent catching a cold; prohibit smoking before surgery to avoid stimulating the tracheal mucosa, increasing secretions and inducing cough. 4.Eat easily digestible food, avoid spicy and stimulating food, and keep bowel movements smooth. 5.Patients who need general anesthesia should abstain from eating and drinking 8 hours before surgery. Before entering the operating room, please take off the denture, watch, cell phone and valuable clothing to family members for safekeeping. 6.Antibiotic eye drops for eye spotting three times a day. 7.Patients with heart disease, hypertension and other chronic diseases, please insist on taking medication as usual to maintain a stable physical state. II. During surgery Actively cooperate with the surgeon and nurses, overcome tension, relax mentally, keep your head, hands and body still, and explain to the surgeon at any time if you are uncomfortable. Matters to be noted after surgery 1.After surgery, you need to rest quietly, avoid strenuous activities, coughing, sneezing, bending over and lifting heavy objects, etc. 2, pay attention to the protection of the operated eye, prevent collision, do not forcefully squeeze the eye, rub the eye, do not force scrub when washing the face, avoid water into the operated eye. 3, pay attention to the nutritional intake should be balanced, eat more vegetables, fruits, coarse fiber and other easily digestible food. Avoid smoking and alcohol, eat less spicy and stimulating food, prevent dense stools, and take laxatives for dry stools. 4.Regular review after discharge. Generally, one week, two weeks, three months, one year after discharge to the hospital for re-examination, such as special circumstances should be timely to the hospital for examination and treatment.