Children with green color blindness can be considered to be caused by congenital heredity and visual pathway conduction system disorders, and specific conditions need to be analyzed. 1. Congenital heredity: affected by genetic factors, children with green color blindness, reduced ability to recognize green, is a genetic disease, there is no effective treatment. 2. Obstruction of visual pathway conduction system: Optic nerve disease, retinal disease, etc. may cause fundus lesions in children, and some children with imperfect eye development or slow development may also cause obstruction of visual pathway conduction system, thus causing green color blindness. It is recommended that patients with green color blindness should consult a doctor in a timely manner to assess their condition and follow the doctor’s instructions to choose the appropriate treatment to improve their visual function.