An anti-theft method for determining biometric template

The present invention provides a method of determining security biometric template, wherein said method comprises the steps of: a) identifying a biometric template to be compared with the user similarity template library has at least a template matching results fraction; b) calculating, based on the ratio of the score to be identified as stolen biometric template with the template probabilities; if c) determining whether the probability exceeds a threshold value, otherwise, step D; is the process proceeds to step e; d) the said biometric template to be recognized biometric template determined to be normal, it is determined by the recognition; E) to be recognized is determined that the biometric template with the biometric template stolen, determines that an abnormality recognition. Biometrics template theft discrimination method according to the present invention, a simple and efficient system for biometric forgery and theft of biometric data and the template identified and processed.