Parents do not know much about the early manifestations and identification of young diabetics. In many cases admitted to the clinic, parents feel that the diagnosis of diabetes is sudden, and some children are not even detected until after serious comorbidities have appeared. In fact, there are many clues before the onset of diabetes in children. Watch out for surges in water intake and meal intake Diabetics sometimes experience frequent thirst and sometimes get up at night to drink water. Be wary of sudden increases in the amount of food your child eats. Excessive intake of high-calorie foods can easily cause endocrine metabolic disorders in children. Type I diabetes in children can easily lead to coma due to ketoacidosis, and parents often wait until their children are in a severe coma to find out that they have diabetes. Frequency of urination is a signal Children suddenly urinate more frequently for a period of time, and children who do not wet the bed all year round appear to wet the bed, at this time parents should not just blame the child, but should promptly take the child for a diabetes examination. During the growth and development stage, most children are more active. If there is a sudden change in the routine of life, like to stay at home, do not like to do outdoor activities, always tired and weak, this may be a precursor of diabetes. Repeated infections do not care Diabetes affects the immune function, the body’s resistance is reduced, easy to appear skin scabies, respiratory, urinary and biliary system of various inflammatory diseases. If you find that your child has wounds that do not heal easily and are prone to infection, or if you find that your underwear is not clean and has a lot of secretions, or if you have repeated oral infections or dental caries, you should think about checking your blood sugar. If the skin turns black, you should check it out. How can you wash your little black neck? Be careful, it’s not dirty, it’s an early sign of diabetes. The skin is thickened and blackened in the folds of the neck, armpits and thighs, and there are even skin flaps on the black velvet skin. Children with pseudoacanthosis nigricans are at high risk for type 2 diabetes and must be taken very seriously. Parents should not ignore the above mentioned precursors before the diagnosis of diabetes in children, and should go to the hospital in time for checkups and regular monitoring of fasting blood sugar and two-hour postprandial blood sugar.