Inhibition on prosecutorial power, although one of the self-regulatory mechanism based on prosecutors, with his legal mechanism exists to trial, criminal prosecution of the crime of abuse of power and even the existence, but evidenced in reality, the effectiveness of these measures, fear of doubt, the the face of prosecutorial power to suppress whether prosecutors can only recourse to ethics? This article is from Chiang Tai Ji Men and Chiang Kuo-ching case to the prosecution on how to curb abuses review.