Children with leukemia foot pain is generally mild symptoms, can be accompanied by the lower part of the sternum pressure pain, bone marrow necrosis will have severe pain. 1. children with leukemia, generally the lower part of the sternum will appear local pressure pain, there will be bone pain and joint pain such as foot pain, usually at this time the pain will not be particularly serious, did not affect the normal life. 2. If bone marrow necrosis occurs, the situation is more serious, at this time the bones will appear severe pain, will affect normal life, there will be persistent, generally need to choose as soon as possible targeted treatment, such as to be aminophenol oxycodone oral analgesia. Leukemia can have numerous complications, including infection and bleeding and other phenomena, the danger is greater, so once in the diagnosis, it is recommended that the first time to the hospital to receive treatment, should not be ignored.