The diet of multiple myeloma patients plays a crucial role for patients, and only a good body can have better resistance to fight the disease. During the treatment period, multiple myeloma patients’ appetite will be greatly reduced, which requires families to focus on the dietary principles of multiple myeloma patients. So, what is contraindicated for multiple myeloma? Multiple myeloma patients should be scientific and reasonable, depending on the time of year, depending on the disease, depending on the person, such as summer should not eat warm dry food, winter should avoid cold food, multiple myeloma patients diet should be light, multiple myeloma patients should avoid dry hot hurt Yin food. The video of deep-fried, pickled, fried, smoked and baked is easy to produce carcinogenic substances during the cooking process due to high temperature, pickling and other methods, so cancer patients should eat less. Multiple myeloma patients should pay attention to the food must be soft and rotten, do not eat too hard and crumbly, fried food, in order to prevent the tumor surface from breaking down and causing hemorrhage. Multiple myeloma patients should avoid stale and spoiled or irritating Dongsi, eat less fumigated, baked, pickled and soaked, fried and overly salty foods, and match staple food with coarse and fine grains to ensure nutritional balance. The diet of multiple myeloma patients should be fresh, nutritious and easy to digest. Avoid eating fried and hot, spicy and stimulating, fatty, sweet, thick and cold fishy products, and quit smoking and drinking. After receiving radiotherapy, there are often pathological reactions such as loss of qi and blood, imbalance of yin and yang, and weakening of spleen and stomach functions. At this time, the diet should be nutritious and easy to digest as the principle, eat more high-protein, vitamin and mineral-rich food, such as fish, lean meat, eggs, vegetables, fruits, etc., to supplement the physiological needs of the body. I hope the above can help patients with multiple myeloma and their families. At the same time, as each of us, for ourselves and our family members to be able to study, work and live better, we should do a good job of preventive health care and try to avoid the invasion of disease.