Abstract: Wu Jutong's academic thoughts are inherited from Ye Tianshi and traced back to Zhongjing, and have a unique understanding and play of the evil invading Shaoyang. Wu Jutong believes that Shaoyang has two major functional characteristics: ascending and pivoting. The principle of treating evil invading Shaoyang is to follow the ascending nature of Shaoyang and restore the pivoting function of Shaoyang. For Shaoyang fire-heat syndrome, follow Shaoyang to ascend and disperse to penetrate heat, and often use light, scavenging and dispersing products; for Shaoyang phlegm-fluid syndrome, creat Xiangfu Xuanfuhua Decoction to benefit the liver and gallbladder and resolve phlegm-fluid; for malaria invading Shaoyang, turn the pivot to stop malaria, and use Xiaochaihu Decoction and Qinghao Biejia Decoction for the treatment; for yin evil invading Shaoyang and Jueyin, Xiao Chaihu Decoction and Bupleurum chinense DC. are often used to turn the pivot of Shaoyang and warm and unchoke Jueyin. The contraindications of Xiao Chaihu Decoction are also summarized.