After glaucoma surgery, intraocular pressure (IOP) of 10~21 mmHg is normal. It is necessary to pay close attention to the changes in IOP, and use medication to control it under the guidance of the doctor, and to consult a doctor in time when abnormalities occur. Usually, after glaucoma surgery, the intraocular pressure will be controlled at 10~21 mmHg is normal, the intraocular pressure may also appear transiently elevated after the operation, and will be gradually reduced with the passage of time, and you can use drugs such as brinzolamide eye drops and levobunolol hydrochloride eye drops to control the intraocular pressure under the guidance of the doctor. After glaucoma surgery, we should strengthen the care, pay attention to eye hygiene, to avoid infection. Avoid strenuous activities for a short period of time after surgery to prevent wound bleeding; also pay attention to eye rest to avoid excessive use of eyes to affect wound healing. After glaucoma surgery, you should go to the hospital for regular checkups, and if you have any discomfort, you need to consult a doctor in time and choose the appropriate treatment according to the doctor’s advice.