Abstract: Wang Yao's research is characterized with distinctive acdemic style. The paper analyzes Wang Yao's attitude toward acdemic research, i. e. rationally objective attitude, through the study of some typical details in his life-long scholarship. It also points out that the attitude has gone through his entire research activities. Finally, associating the spirit with the influence of Lu-Xun on him, the essay gets the conclusion that the spirit that endows his acdemic ideas with energy is the sober realistic spirit.