癌症的死亡率有逐年增加的趋势,不少国家已居死亡的一、二位。据有关资料,我国癌症死亡每年约80余万人;日本厚生省发表的1981年度人口动态统计,癌症已占死亡数的23.1%而居第一位。防治癌症是当今世界在医学科研方面的头等大事。但早期诊断,早期治疗还很困难,被发现后往往是癌的晚期。因此在治本的放疗、化疗、手术数方法 The death rate of cancer has been increasing year by year, and many countries have already ranked as the first and second deaths. According to relevant data, China’s cancer deaths are estimated at more than 800,000 annually, and the Ministry of Health and Welfare of Japan released the 1981 population dynamics statistics. Cancer accounts for 23.1% of the deaths and ranks first. The prevention and cure of cancer is a top priority in medical research in the world today. However, early diagnosis and early treatment are still difficult. After being discovered, it is often the late stage of cancer. Therefore, the radiotherapy, chemotherapy, and surgical methods in the permanent cure