In fact , the testimonial privileges have very long history in china . ancient times in as early as china , to vindicate the social ethics , chinese established the system of the relatival privilege 免证特权制度在中国其实具有非常悠久的历史，早在中国古代，为维护既有的家庭社会伦理，就确立了“亲亲相隐”的制度。
