 As a result of the investigation, Hou and many other conspirators were ordered to commit suicide or were executed, while Li Chengqian was reduced to commoner rank.Soon thereafter, Emperor Taizong, believing that Li Tai had played a role in Li Chengqian's downfall, created another son, Li Zhi the Prince of Jin, crown prince, instead of Li Tai, and Xiao was made a senior advisor of the new crown prince.Xiao was given a newly created title for a de facto chancellor as well, "Tong Zhongshu Menxia Sanpin" ().