There are many kinds of anemia due to different causes, but the most common clinical anemia is iron deficiency anemia, whose main cause is generally caused by insufficient intake of iron and related proteins. Therefore, in the diet to eat more iron rich food, such as animal offal and blood products, lean meat, fungus, jujube, spinach, etc., eat more vitamin-rich foods, such as fresh green leafy vegetables and fruits. Eat more protein-rich eggs, such as eggs, pigeon eggs, quail eggs, as well as a variety of soybean products, nori, lotus root powder, black sesame, mussels, etc., which helps to replenish iron and improve hemoglobin levels.