Polio once was a problem that plagued the world in the 1950s, and it was also a serious problem in China. Chinese medical scientists such as Gu Fangzhou went abroad to study.After returned to China, they kept carrying research work and making production test in a tough environment, and developed a technical route and immunization strategy suitable for China. Therefore, in millions and tens of millions of Chinese children were kept away from polio by the sugar pill vaccine. In 2000, the World Health Organization conformed that China became polio-free country.
20世纪50年代，小儿麻痹症是困扰世界的难题，在中国也流行猖獗。顾方舟等中国医学家走出国门去学习，在艰苦的环境中坚持科研和生产试验，制定出适合中国的技术路线和免疫策略，让无数中国儿童因为吃了糖丸疫苗远离小儿麻痹症。2000年，经世界卫生组织确认，中国成为无脊髓灰质炎国家。.
Keywords: Gu Fangzhou; Planned Immunization; Soviet; Sugar Pill; Vaccine; poliomyelitis.