 Bu Zhi was also concurrently appointed General of the Household of Martial Establishment () and put in charge of a military unit comprising over 1,000 elite archers for his mission to Jiao Province.Since the time of Emperor Ling ( 168–189), Jiao Province, being a remote province in the south, had posed serious problems for the Han central government.The locals, unwilling to submit to Han rule, had caused much trouble for their Han-appointed governors – two governors, Zhu Fu () and Zhang Jin (), were killed while in office.