The clinical manifestations of anemia in children mainly appear in the following aspects: Pale skin and mucous membranes, such as pale complexion, conjunctivae, or nails, and in more severe cases, the skin may appear waxen yellow. Anemia also affects bodily systems, leading to increased respiration and heart rate, and impacting digestive functions, evident in reduced appetite, nausea, and vomiting. In severe cases, there may be abdominal bloating and constipation. Additionally, there may be poor tongue coating, with some instances of glossitis and atrophy of the tongue papillae. Furthermore, there are manifestations related to mental and neurological aspects, such as poor memory and lack of concentration in children. Older children may experience symptoms like dizziness, headaches, and vertigo.