This book begins by revealing the truth about the six-eared macaque in "Journey to the West" and tells the story of Sun Wukong's brothers in Fangcun Mountain, headed by "Lu Er". After their journey to the west, the disputes between Buddhism and Taoism caused turmoil in the three realms, and Fangcun Mountain fell apart due to various reasons. It can be regarded as a wonderful sequel to "Journey to the West".