Infants 0-12 months developmental standards should be more from large motor, fine motor, adaptability, language, social behavior five reference standards, the following can be briefly introduced: 1 month of age, can make small guttural sounds, eyes can track walking people; 2 months of age, can pay attention to large toys; 3 months of age, vertical head stability, can laugh out loud; 4 months of age, will roll over; 5 months of age, hands have the initiative to grasp objects; 6 months of age At 7 months of age, they can sit alone freely; at 8 months of age, they can stand with their hands on objects; at 9 months of age, they can crawl and say welcome and goodbye; at 10 months of age, they can stand alone; at 11 months of age, they can walk with one hand; at 12 months of age, they can walk alone and call their father and mother, etc.