Children do not grow meat is very thin, pay attention to maintain a good diet and work habits, avoid eating snacks, pay attention to appropriate exercise. 1. Maintain a good diet and work habits: small children are more mischievous and active, then usually sports consumption, not easy to grow fat, usually pay attention to the child more nutrition, pay attention to maintain a comprehensive and balanced diet. It is recommended that every night before ten o’clock to let the child go to sleep, which will help the child long body. 2. Do not eat snacks: usually pay attention to correct the child’s habit of eating snacks, if the child loves to eat snacks, usually eat more snacks will easily lead to malnutrition. 3. Pay attention to appropriate exercise: every day to pay attention to let the child appropriate to participate in aerobic exercise. Help to enhance physical fitness, improve immunity. Parents should pay attention to more attention to the child, pay attention to help the child adjust the normal dietary habits, avoid eating snacks, pay attention to the appropriate participation in aerobic exercise, to increase physical fitness. If the child is still too thin and not easy to grow meat, but also regularly take the child to the hospital for health checks.