1. Overview of the Infant Development Standard Table The Infant Development Standard Table is a reference standard that describes the growth and development of infants based on statistics and analysis of infant growth and development based on a large amount of actual data. It reflects the basic rules and levels of growth and development of normal and healthy infants and young children by comparing factors such as different age groups, different genders, different regions, and different ethnic groups. 2. Main infant development standard tables at home and abroad. The main infant development standard tables at home and abroad include WHO standards, US CDC standards, and growth and development from 0 to 6 years old.