1. The significance of infant height and weight standards. Infant height and weight standards are an important basis for assessing the growth and development of infants and young children. By measuring the height and weight of infants and young children, we can know whether their growth and development is normal. The establishment of scientific and reasonable height and weight standards will help medical workers promptly correct malnutrition, growth retardation and other problems to ensure the healthy growth of infants and young children. 2. How to measure the height and weight of infants and young children. To measure the height and weight of infants and young children, you need to use