Most patients with long-term anemia have obvious symptoms of general weakness, dizziness and palpitations, therefore, they should pay attention to slow rising and sitting, and move slowly in daily life to prevent dizziness, palpitations and fainting. In addition, patients with long-term anemia should eat more fresh vegetables and fruits, which are good for replenishing multiple vitamins and are beneficial to the recovery of anemia, and they can eat more dates, which can also promote the recovery of anemia. Patients with long-term anemia may be mainly caused by chronic diseases or refractory diseases, such as anemia caused by aplastic anemia, myelodysplastic syndrome, etc.; or anemia caused by chronic kidney disease or chronic rheumatic system disease, which is mainly caused by active treatment of the primary disease.