There is no special contraindication to the diet of multiple myeloma patients, and they need to maintain balanced nutrition and supplement enough protein and vitamins. Multiple myeloma is a kind of malignant disease of bone marrow hematopoietic system, daily diet is not directly related to this disease, so there is no special contraindication to this disease, pay attention to avoid food allergy. As multiple myeloma is a malignant tumor, the consumption of the body is very large, we should supplement more protein and calories, and we can eat some protein-rich foods, such as milk, eggs, meat and so on. Eat more foods rich in vitamin A and vitamin C, such as animal liver, carrots, fruits, tomatoes and so on, which can help to maintain the nutritional balance of the body. Patients are advised to maintain a regular diet, balanced nutrition and active treatment.