治安维持法
In 1876, at the age of twenty-six, Kiyoura joined the Ministry of Justice, and served as a prosecutor and helping draft Japan's first modern Criminal procedures laws. In 1884 he caught the attention of Yamagata Aritomo who appointed him head of the police forces in Japan, despite his relative youth of 34. Kiyoura went on to serve as Vice Minister of Justice, and Minister of Justice and while at the Ministry of Justice, he helped draft the Peace Preservation Law of 1887.