1, the digestive and absorption characteristics of children with motor retardation Many of these children have chewing and swallowing disorders, poor oral closure, and often drooling, which seriously affects the first step of food digestion. They can only eat liquid or semi-liquid food, which affects the intake of some nutrients. Most children are constipated due to autonomic dysfunction, low daily exercise, low gastrointestinal motility and low gastric juice secretion. The nutrient absorption of food is greatly affected. 2. Characteristics of nutritional needs of children with motor retardation Most of these children have increased muscle tone, persistent abnormal posture and involuntary hand and foot movements, resulting in high energy consumption. Most children are prone to sweating and lose more sodium, potassium and calcium every day. With less outdoor activities and less sun exposure, they are prone to vitamin D deficiency and are thin and prone to rickets. Vitamin A deficiency is also high, and upper respiratory tract infections often occur. (Vegetables such as broccoli, carrots, pumpkin, leeks, spinach, tomatoes, capers, sweet potatoes and other fruits such as citrus and apples are the best source of vitamin A.) 3, children with motor retardation diet nutritional supplements eat less and more meals, drink light salt water 1-2 times a day to replenish water and electrolytes. Diet should be high in calories, protein, fat and fiber, and contain a variety of vitamins and trace elements. It should also be supplemented with calcium, vitamins A and D. Four major features of the diet: Rotten: meat, rice, vegetables and other foods must be cooked thoroughly, and food should not be too big, too coarse or too hard. Fine: a variety of fruits, soy products, etc. can be juiced for drinking, small particles, easy to absorb, easy to digest. Soft: such as eating eggs, it is best to steam water eggs, vegetables cut into minced, etc. Fresh: vegetables and fruits must be fresh to ensure the adequacy of nutritional elements.