Pediatric anorexia is a common clinical digestive system disease, suffering from this disease can lead to malnutrition and developmental disorders in children. It can be caused by various reasons, except for the repeated occurrence of respiratory diseases affecting the digestive system, improper feeding methods are the main reason, especially with the improvement of people’s living standards, the focus of children in the family, so that many parents are obsessed with the idea that more high nutrients are necessary for children, resulting in an increased burden on the spleen and stomach of children, which eventually leads to injury, resulting in a decrease in the ability to absorb nutrients and the formation of pediatric anorexia. Therefore, feeding must be due to the child’s age and physique to determine the quality and quantity of feeding, do not treat children with different physiques equally, which is where we pediatricians should pay attention to, a formula for feeding children is mechanical is the practice, to the detriment of children. Feeding must be easy to digest, and pay attention to a variety of nutrients, regular rationing, no cold and hard food, especially for children under three years old. If these places are noted, they will grow into strong seedlings after hours of scientific feeding.