Diabetes mellitus in children cannot be completely cured and requires active treatment with medication, but if it is secondary to elevated blood glucose caused by occupational lesions of the pituitary gland or adrenal glands, it is expected to be cured after removal of the primary disease. Type 1 diabetes, which is common in children, is generally incurable and usually requires lifelong insulin therapy, combined with exercise, diet and other comprehensive management, blood glucose can be controlled at normal levels. If it is secondary diabetes caused by pituitary gland, adrenal gland and other occupying lesions, it is expected to be cured after actively treating the primary disease and removing the primary factors. There are many types of diabetes in children, and the prognosis of the treatment method is different, it is recommended to consult a doctor in time and standardized treatment.