Abstract:Because of it is rich in nutrients and better taste， fruit juice is more and more popular in most consumers. But with the high processing costs， producers often add other substances or dilution to adulteration. This behavior threaded to the health of consumers. The detection technique standard of international and China for fruit juice was introduced； common detection indicators， methods and new detection methods in recent years were summarized in this paper. The developments of detection techniques for fruit juice are prospected in the last.