Iron absorption disorders are mainly caused by insufficient gastric acid secretion, resulting in food entering the digestive system and bypassing the main iron absorption site to enter the jejunum quickly, thus leading to iron absorption disorders. Generally, it can be treated by increasing the intake of vitamin C food and medication. 1. Increase vitamin C food intake: Vitamin C can restore oxidized iron and promote the absorption of iron. Patients can supplement vitamin C-rich foods such as apples, tomatoes, lemons, spinach and hawthorn. 2. Other medication: take iron supplements such as 2-dimensional ferrous granules and compound 3-dimensional ferrous oral solution as prescribed by the doctor, so as to increase the intake of iron content in the body, correct the iron demand and promote the recovery of iron absorption. If necessary, vitamin C tablets can be taken to increase the intake of vitamin C as prescribed by the doctor. Iron absorption disorders may lead to iron absorption disorders anemia, patients are advised to go to the hospital in time to avoid delaying the condition.