First of all, only by understanding glaucoma can we better prevent glaucoma. Glaucoma prevention can start from the following aspects: 1, to understand whether you belong to the risk factors for glaucoma, these factors include anatomy, gender, age, genetics and refraction, we have described in detail earlier, such as women’s intraocular pressure during menstruation is lower than usual, because gonadal secretion and intraocular pressure; menstruation and pregnancy due to the increase in blood estrogen and progesterone content, can make the intraocular pressure drop. When menopause and menopause, the IOP is often high, often induced by mental stimulation and other factors that can lead to glaucoma, so in order to prevent the occurrence of glaucoma, these people have a tendency to develop, must exclude all the harmful factors that can increase the IOP. 2, avoid excessive mental tension and anxiety. Emotional fluctuations are the most important triggering factors for glaucoma, and in most cases the acute and chronic onset is related to unstable factors such as excessive worry, depression, panic, anger, etc. Therefore, it is necessary to regulate oneself emotionally, to keep the mood stable, optimistic and open-minded, broad-minded, and in case of unpleasant events, to think about it and keep the spirit stable. 3 Some drugs, such as atropine eye drops, will make the eye pressure rise, atropine, belladonna and other internal drugs can relieve pain, after serving can also dilate the pupil, inducing an increase in intraocular pressure. These drugs can’t be used if you have glaucoma and can’t be used casually if you have risk factors, but must be applied under the guidance of a doctor. In conclusion, prevention of glaucoma should be done from various aspects, and for people with risk factors for glaucoma, it is necessary to have regular eye health checkups, cooperate with medical treatment, strengthen prevention, and once found, make sure to actively treat.