Abstract: The cultivation of university students' capacity for innovation is one of the priorities in tertiary education, and an important complement to classroom education which might be reinforced by an extracurricular way. Nevertheless, in the contemporary society there are still certain problems regarding the innovation ability of humanity science students in universities of science and engineering. To better tackle this issue, researches have been done on science and research activities of humanity science students within the students and faculty staff of a certain science and engineering university, through which the status quo of humanity science students' innovation ability revealed itself. Consequently, taking the peculiar traits of students majored in liberal arts into consideration, an extracurricular training mode of cultivating the creative ability in terms of science and research for the humanity science students in science and engineering universities is thus preliminarily constructed. In conclusion, this essay is concentrated on the elaborate way to make and adjust the specific extracurricular training mode.