After over eighty years since Lu Xun published his novel Medicine,The Lu Xun researchers have many disputes on its theme.Since the 1970s,the research on the theme Medicine has produced“criticism the- sis”,“treating and saving thesis”,“exploiting human beings thesis”,“double themes thesis”“isolated indi- vidual thesis”and so on.The historic and objective examination on these outlooks is helpful to restoring Lu Xun and continually lays the foundation for this research.