The rapid rise in the number of children hospitalized with leukemia over the past decade is a cause for concern. Numerous studies have shown that excessive levels of benzene and other substances in home decoration, homes, playgrounds, toys, furniture and even children’s clothing are associated with leukemia and other malignancies in children. In addition, exposure to various rays, chemicals, food additives, preservatives, air quality variation, etc. are all related to the increased incidence of tumors. Let’s return to nature and protect the environment, also to protect our future generations!