Diabetes mellitus is a chronic, systemic, endocrine metabolic disease caused mainly by absolute or relative deficiency of insulin in the body, resulting in disorders of sugar, fat and protein metabolism. It is characterized by high sugar content in the blood and the presence of urine sugar. In the early stage, there may be no symptoms, but when the blood glucose is too high, the symptoms of “three more and one less” will appear, that is, polyuria, polydipsia, polyphagia and weight loss, as well as fatigue, weakness and mental incompetence, etc. In serious cases, copper acidosis may occur. Medical personnel in clinical observation found that there are 10 kinds of people are more likely to be infected with diabetes. 1, weight loss, but can not find the reason, but the appetite is normal people. In particular, the original body fat, but the recent weight loss, and accompanied by weakness of people. 2. Women who have given birth to huge babies (weighing more than 7,400 grams). 3.People who have suffered from pregnancy complications, such as multiple miscarriages, pregnancy poisoning, fetal death in utero, stillbirth, etc. 4.People who are over 40 years old. 5.People with persistent limb ulcers. 6.People over 30 years old with family history of diabetes. 7.People who are obese or overweight, especially those with abdominal obesity. 8.People with hypertension and hyperlipidemia. 9.People who have reactive hypoglycemia. 10.People with perineal itching, vision loss, repeated skin infections and pain or abnormal sensation in the lower limbs for which no cause can be found. The above 10 kinds of people are more likely to suffer from diabetes, which should be given high priority and can be checked regularly to prevent the disease from happening.