Nutritional requirements of infants are different according to different ages and substances. 1. Energy: 90kcal/(kg-d) for <6 months of age, 80kcal/(kg-d) for 7~12 months of age. 2. Protein: Recommended intake is 1.5~3g/(kg-d) within 1 year of age, with high quality protein accounting for more than 50%. 3. Lipids: about 48% of total energy for infants <6 months of age, and 40% for 7-12 months of age. 4. Carbohydrate: 60g/d at <6 months of age, 85g/d at 7~12 months of age. 5. Calcium mineral: 200mg/d at <6 months of age, 250mg/d at 7~12 months of age. Adequate nutrition and proper matching is the key to promote healthy growth of infants and young children, so you can adjust the suitable nutritional matching for infants with the help of professional doctors.