Closed angle glaucoma needs to choose the treatment plan according to its own situation, there is no so-called preferred treatment, can be treated by medication, but for the pupillary block caused by atrial angle occlusion due to, in the treatment should be lifted pupillary block, so that the angle of the atrium reopened, generally based on surgical treatment. Closed angle glaucoma may be caused by eye trauma, abnormal anatomy of the eyeball, and excessive use of the eyes at close range. 1. Medication: If the condition is in a stable stage without any symptoms, it can be treated by applying eye drops to lower intraocular pressure, such as carteolol hydrochloride eye drops and brinzolamide eye drops. Regular checkups should be conducted to observe the changes in visual acuity, visual field and optic nerve damage. 2. Surgery: If the pupillary block causes atrial angle occlusion, filtering surgery may be needed. For those who cannot tolerate filtering surgery, peripheral iridectomy combined with medication can also be chosen. Patients should pay attention to eye hygiene after surgery and avoid looking at electronic products for a long time. When closed angle glaucoma occurs, it is important to seek prompt medical attention from a doctor for a professional treatment plan.