For newborns, they should be fed on demand, with no fewer than 8 feedings per day. 2-3 month olds still need to be fed on demand, with no fewer than 8 feedings per day, and with a total milk volume of about 500-750mL per day. 4-6 month olds should have a total milk volume of 800-1000mL per day, and with a total number of feedings of about 5-6 per day. 7-9 month olds should have a total milk volume of 800mL per day, and with a number of feedings of about 4-5 per day. 10-12 month olds should have a total milk volume of 600-800mL per day, and with a number of feedings of about 2-5 per day. For children 7-9 months old, the total amount of milk should be 800mL per day, and the number of feedings per day should be 4-5 times. 10-12 months old, the amount of milk should be 600-800mL per day, 2-3 times per day. 1 year old, the amount of milk should be 350-500mL per day,,2-3 years old, the amount of milk should be 350-500mL per day, and children older than 2 years old, can try milk in small amounts, 4 weeks old and above. Children over 2 weeks of age can try milk in small amounts. 4-5 year olds should have 300-400mL of milk per day.