Abstract:
Objective：To understand the main characteristics of disabled children in Huoqiu, and provide scientific basis for eugenics.Methods：The relevant data of children who met medical standard for diagnosis of disabled children from August 2009 to August 2013 were collected and analyzed.Results：Totally 251 cases of disabled children were enrolled. The proportion of males was 90%(226/251), and the proportion of agricultural household registration was 86.1%(216/251). There were 131 cases of hereditary diseases. The top 5 diseases were mental retardation and deafmutism(contributing equally), congenital heart disease, autism, Down's syndrome and idiopathic epilepsy (contributing equally). There were 120 cases of non-genetic diseases，and the top 5 diseases were cerebral palsy, brain hypoplasia, accidental injury, malignant tumor and secondary epilepsy.Conclusion：The number of disabled children in the country is more than that in the city, and the proportion of male is far greater than that of female. Hereditary diseases are mainly mental retardation, deafmutism and congenital heart disease. Non-hereditary diseases are mainly cerebral palsy, brain hypoplasia and accidental injury.

Key words: Hereditary diseases, Disability causes, Children