Leukemia patients can eat sweets. Leukemia patients have no special contraindications in diet, because leukemia patients often have symptoms such as infection, fever, bleeding, etc., and the long-term use of chemotherapeutic drugs will also cause patients with poor appetite, indigestion, resulting in a lack of nutrients in the human body. Diet can be supplied with semi-liquid or soft rice such as rice porridge, egg custard, etc. and high-calorie, nutrient-rich foods such as milk, soy milk, pig’s blood and other foods. Sweet food contains glucose, maltose, sucrose and other ingredients, and leukemia patients are generally not accompanied by pancreatic function damage, and diabetes is not related to the metabolism of sugar, does not affect the sugar metabolism, will not cause blood glucose elevation, can be used. Leukemia patients should avoid spicy, cold foods such as chili peppers, ice-cream, etc. It is recommended to have a reasonable diet under the guidance of a doctor, so as not to aggravate the patient’s digestive discomfort.