The invention is a method for locating characteristic points of a human face, integrated with local search and active appearance model, firstly using a part of a picture of human face with the coordinates of characteristic points as a sample to build a new picture of human face for detecting, so as to obtain a rectangular region containing the human face, locating eyes and mouth in the rectangular region, using the positions of the eyes and mouth as initial positions, searching by the active appearance model, and finally finding many characters points of human face, and thus completing the integral location of the characteristic points of human face. The method can be further applied to recognizing human face, sex, and expression, estimating age, and other aspects.