Malignant tumor is what people usually refer to as cancer, which is a common disease that seriously threatens human health and is often associated with “death” due to the high death rate, but people often think that only adults, especially the elderly, can get cancer. Therefore when many parents bring their children to the hospital, when doctors tell them that their children may have malignant tumors, parents are often surprised to ask “Can children also get cancer? ”, even many non-specialist doctors have the same question, which often leads to misdiagnosis. The answer is yes, children not only get cancer, and in recent years the incidence rate has a rising trend Medical statistics show that: although the incidence rate of childhood cancer is not high, about 104 per million children, accounting for only 0.6% of all malignant tumors, but the mortality rate accounts for 10.7% of the total mortality rate of children, in China, among the causes of death of children under 14 years old, malignant tumors are second only to accidental injuries, has ranked second. . Therefore, cancer in this special group of children should attract more attention from the whole society.