YANG Wei-wei, LUO Da-hua.China University of Political Science and Law, Beijing100088, China.

  【Abstract】 The testimony from eyewitness has a very important function in the litigation, but the testimony is subjected to various factors. It is a very special kind of proof. Therefore, the testimony from eyewitness becomes a new research hot spot in forensic psychology. Psychologists carried on a lot of experimental research. This article looks back the earlier study, then reviews the near study of the witness from influencing factor and evaluation standards, analyzes the meaning and the shortage of its research.

  【Key Words】 Eyewitness, Accuracy, Evaluation standard