Malnutrition is a nutritional deficiency caused by a lack of calories or protein. Mostly due to improper feeding or secondary to other diseases, mostly occurs in children under 3 years old, mainly manifested as progressive wasting or edema, subcutaneous fat reduction, weight loss, muscle atrophy and growth stagnation, often accompanied by multiple organs of varying degrees of functional disorders. Treatment 1. Etiological treatment: The cause should be identified, the original disease should be actively treated, and the feeding method should be rapidly improved. Intestinal parasites are dewormed when the condition permits. Extended diarrhea or chronic bacillary dysentery must control the infection, adjust the diet, and enhance nutrition. For the onset of the cause of treatment at the same time, should pay attention to the treatment of anemia, electrolyte disorders and other complications. 2, symptomatic treatment: to promote digestion, improve metabolism to give a variety of enzymes (pepsin, pancreatic enzymes, etc.) to help digestion Beijing Dr. Zhang medical examination center collection. The most important thing is to make sure that you have a good understanding of the situation. On the basis of the basic maintenance of the original diet, add foods containing protein and high calories earlier. Breastfeeding for heavy patients should start with the appetite of the child, when you want to eat milk that is when to feed, without restrictions, the amount of breastfeeding should be gradually increased. Prevention 1. Breastfeeding is strongly advocated and should be prepared since pregnancy. Especially for premature babies and low birth weight babies breastfeeding is more important. Insufficient breast milk and no breast milk, should be timely mixed feeding and artificial feeding, and try to use cow, goat milk or milk powder feeding infants, timely addition of complementary foods, especially pay attention to the supplementation of high-quality protein. 2, reasonable living arrangements, to ensure that the child sufficient sleep and rest, appropriate arrangements for outdoor activities and exercise, from childhood to develop a non-picky, non-biased food, less snacking diet habits, can make the child’s appetite strong, to prevent malnutrition.