Abstract: Lao Gua Thief was a criminal gang in the early stage of the Qing Dynasty in Central Plains,noted for the way of masters passing on to apprentices,banding together for action and cruel methods.The criminal action of endangering,robbing and killing travelers exerted a very bad influence in the society.The Qing Dynasty attached great importance to investigating and catching Lao Gua Thief,regarding clearing it up as the most important task of reassuring the public.The precautions of uniting the gove...