Noninvasive measuring and repeated positioning method for face skin of human body

The invention discloses a noninvasive measuring and repeated positioning method for the face skin of a human body. The method comprises the following steps of: (1) marking the periphery of a position to be tested on the face of a tested person; (2) making the tested person wear a double-lug non-woven fabric mask; (3) marking corresponding positions on the mask; (4) taking the mask down and putting the mask into a self-sealing bag; (5) when the tested person comes for testing once again, taking the mask out and making the tested person wear the mask; (6) marking corresponding positions on the face by passing through the plurality of marks on the mask respectively; and (7) taking the mask down and pressing a probe against a region to be tested which is surrounded by the plurality of marks for testing the skin indexes. The method has the advantages of quick repeated positioning, high accuracy, error controllable within 0.5 millimeter, low price, rapidness and convenience.