An ashtray is a tool for cigarettes, soot and cigarette butts, which was produced at the end of 19th century. After the advent of cigarettes, soot, cigarette butts everywhere to throw a barrier to health, ashtrays also produced. At first, there was a person who called the Ashtray Smoke dish, pottery, porcelain, and also with glass, plastic, jade or metal materials. Its shape, size is not fixed, but there is a clear mark, that is, there are several smoke on the ashtray with the thickness of the groove, is designed for the laying of cigarettes. In addition to the ashtray has practical functions, but also a kind of art, with certain artistic appreciation value.