Warrant system could be traced back to Anglo-American ancient legal system. In thebeginning, warrant system, which was no more than executive tool of constable, had nofunction of safeguarding human rights. With hundreds of years of development, the value ofhuman rights has been exalted step by step, and turns into a primary measure to controlpolice power in Anglo-American legal system. According to the legal culture and judicialsystem in the Continental legal system, the warrant system in Britain...