This lecture focuses on introducing the concepts, cause, pathogenesis, syndrome differentiation and treatment and the acupuncture and moxibustion treatment methods of dyspepsia, diarrhea, and constipation. The main acupoints for treating dyspepsia are Baihui, Danzhong, Zhongwan, Qihai, Tianshu, Neiguan, Zusanli and Gongsun. The main acupoints for handling diarrhea are Tianshu, Shangjuxu, Yinlingquan, and Zhongwan and for constipation, Dachangshu, Tianshu, Zhigou, Shangjuxu, and Zusanli will be selected as main acupoints. Other different acupoints can be added accordingly after syndrome differentiation.