Mild mental retardation is a mild form of mental retardation, with the main symptoms being memory changes, emotional, thinking, and intellectual disabilities. Mild mental retardation refers to the delayed development of the brain due to brain damage caused by some reasons at a certain stage in the process of mental development. Mild mental retardation is mainly manifested in the phenomenon of slow perception of things, and if the memory and neural development is incomplete, there will be poor memory and learning ability, and at the same time, most of the patients have poor ability to socialize. At present, the treatment of mild mental retardation usually needs to be based on the patient’s specific situation to formulate a treatment plan, and if caused by disease, the patient needs to be treated for the cause of the disease. In daily life, patients are encouraged to actively use their hands and brains, and exercise diligently for rehabilitation treatment, which usually does not affect the normal life of patients.