Above all, the generation of dactylogram identifying technology from what identify at the beginning namely with the eye, the reason has 2, it is archaic society reads firstly the person of literacy is less, belong to elite estate more, because this is common,ginseng and bond are to press begin to imprint commonly. It is technology of appraisal of handwriting of the ancients lack secondly, a lot of bookman are a hobby with imitating others handwriting. So the ancients was used by fingerprint this is planted simple and efficient way, corresponding of course ancient time has dactylogram identifying technology of course.
Since Qin Dai, the our country record with respect to useful dactylogram crack a criminal case. In Qin Jian " the type that seal examine - acupuncture point pilfer " piece account: "Inside in soil of the China and foreign countries that reach acupuncture point has genu, script, knee, hand everywhere " . The member that this makes clear person of acting judicatory of the Qin Dynasty already will " script " regard crack a criminal case as the method.
The Gu Gongyan of Chinese Tang Dynasty is the first learned man that puts forward to use dactylogram identifying person on the world. The observation of our country ancient time to dactylogram and application, the foreign country is travelled in Tang Dynasty. And liberate late showing Tang Dynasty has grain of dactylogram, knuckle or palmmprint on a lot of writ, contracted, will, serve as the important step that identifies an individual with this. After this past dynasties, the habit that continue to use is ancient bronze mirror with pointing to model, palm model on writ.