Myopia is a very troubled population of a vision disease, due to the increasing level of technology, daily life without cell phones, computers, will cause some vision impact on children, parents should pay attention to eye health, but also to train children in a timely manner the correct way to use the eyes, then, what are the hazards of myopia? 1, myopia hazards will affect physical and mental health: due to myopia, children can not participate in a variety of sports activities, affecting the normal development of children’s bodies, resulting in children’s physical weakness and disease, physical and mental health is greatly affected. 2, affect the child’s future: children with myopia, there are great restrictions on the choice of profession and employment, myopia hazards will affect the future is greatly affected. 3, myopia hazards for hereditary offspring: modern medicine has proved that, due to acquired factors of myopia, if not treated in a timely manner, will also be hereditary offspring. 4, poor quality of life: due to myopia, children’s daily life is extremely inconvenient, for example: social, travel, go out, participate in recreational activities are a lot of difficulties, resulting in psychological barriers, resulting in poor quality of life. 5. Affects aesthetics: Medium to high myopia can lead to protruding eyeballs and sagging eyelids, affecting appearance. 6. May lead to blindness: High myopia can easily lead to vitreous clouding, retinal hemorrhage and detachment, resulting in blindness.