Locksmith is not only human life necessities, and culture (folk) objects, which represent a culture of the country and the nation in different historical periods. Lock already has lasted for thousands of years in China, it is almost the same time, private ownership and the birth of mankind. Initially, the human personal valuables simply hides and skins used to wrap the outside with a rope firmly down the final points with the opening of a special knot. It has produced along with animal or animal teeth, the shape of the hook shaped like scythes actually knot is the first lock, "wrong" is the first key to the lock that is our prototype. Robust has adopted this from the Shang Dynasty to the Han dynasty, after switch Yuzhi, into the elite clothing accessories. To the Yangshao culture period since 5000, our ancestors created in a wood frame construction on a wooden lock (see "China Encyclopedia light volumes").