There is no certain food that has the exact efficacy of treating coagulation factor deficiency, but patients can reasonably adjust their dietary structure to enhance their physique and improve their symptoms. Most of the coagulation factors are synthesized in the liver, and coagulation factor deficiency is often indicative of liver disease, and patients often have different degrees of bleeding, so it is very important to supplement protein and iron in the daily diet. Foods rich in protein include eggs, milk, etc. Foods rich in iron include spinach, animal offal, etc. It is recommended to supplement appropriately. In addition, patients with coagulation factor deficiency should avoid irritating foods such as chili peppers, and eat less rough and hard foods such as oatmeal and chestnuts to avoid causing damage to the mucous membrane of the digestive tract. It is recommended that patients with coagulation factor deficiency should choose appropriate dietary regimen under the guidance of professional physicians and receive standardized treatment at the same time.