Fu Shu and Damp have combined with food retention in Large Intestine. Patient has fever, yellow greasy tongue (Fu Shu and Damp), stool not well formed, abdominal bloating, tenesmus (Large Intestine. Zhi Shi is the chief herb and is used to purge Damp-heat. The base of this formula is Da Huang, Zhi Shi and Hou Po, the 3 herbs that make up Xiao Cheng Qi tang.