Cancer is very big to the menace of human health and life. It and cardiovascular disease suffer from the two catastrophe that already became medicine to go up to close. The head that makes dead matter all over the world two. Whole world in 5.2 billion population, every year about 7 million person contracts cancer newly, every year about 500 much people die at cancer, almost every 6 seconds have death of patient of a cancer.
Our country is current and annual on average about 1.5 million person contracts cancer newly, every year about 800 thousand person dies at cancer, the death of cancer occupied the 10th of total death reason 1949, among them malign and cancer of lung cancer, pancreatic cancer, cancer of the liver, nose pharynx, prostate cancer, lymphatic tumour, have the tendency that rise in recent years, gain ground as a result of what defend cancerous measure, cancer of palace neck cancer, spermary, leukaemia have descendent tendency.
Our country's large-scale cancer death and come on investigation number makes clear, the malignant tumor incidence of a disease of each district agrees not completely, have geographical distributinging distinguishing feature. But from the whole nation for, common and important malignant tumor has: The 10 big tumour such as cancer of malign and cancer of cancer of lung cancer, cancer of the stomach, esophagus, bowel cancer, neck of cancer of the liver, palace, breast cancer, leukaemia, lymphatic tumour, nose pharynx. See more most with cancer of neck of cancer of lung cancer, cancer of the stomach, esophagus, liver cancer, breast cancer, palace among them, occupy all and malignant tumor about 70% - 80% . Men and women, any ages have the possibility that contracts cancer, the dangerous sex that contracts cancer follows the growth of the age commonly and grow, but also suffer living environment, lifestyle, the influence such as genetic element.