Child growth monitoring is the process of regular and continuous measurement and evaluation of children’s physical growth. There are many indicators to measure children’s growth and development, among which weight, height and head and tail are the most comprehensive indicators that represent the nutritional outcome of children. Body weight is a sensitive indicator of children’s growth in the near future nutritional status, height is a reliable indicator of long-term nutritional status and growth rate of children, and head circumference is closely related to brain development. At the same time, the size of fontanelle and the time of closure have important significance for pediatric clinic. Regular growth monitoring of children can keep track of their nutritional status and reflect the level of development and growth potential achieved by healthy children at that time; for sick children, it can help parents and doctors to detect diseases early, analyze the causes in time and intervene early.