How do doctors think that children with lower IQ than their peers should go to normal schools or intelligence schools?

People with congenital mental retardation usually go to Qizhi school, just like children with hearing problems go to Yin Qi school.

Mental retardation is a big problem. Many parents think that children are normal when they are young, but they will get better when they grow up, which has not attracted enough attention and led to a series of problems.