Delayed peak insulin secretion is indicative of possible diabetes mellitus and immediate medical attention is recommended. After the diagnosis has been made, the condition can be managed with dietary control, moderate exercise, and the use of medication. Delayed peak insulin secretion is an important cause of diabetes. After the diagnosis of diabetes mellitus, patients need to eat a low-salt, low-fat and low-sugar diet, eat small meals, do not overeat, with appropriate exercise, and pay attention to rest. Oral hypoglycemic drugs or insulin can be used for treatment as prescribed by the doctor. Delayed peak insulin secretion is recommended to go to a regular hospital, cooperate with the doctor to improve the relevant examination, active treatment, do not delay the condition, so as not to cause adverse consequences.