The invention provides a production method of a shell button. The production method comprises the following steps of: selecting shells; taking blanks; cleaning and removing impurities; sorting thickness; grinding flatly; sorting button blanks; drilling; shaping on a turning face; roughly grinding; polishing with water; drying; dryly polishing; and packaging. The production method has the advantages that: 1, the button blanks with thickness of more than 4 mm are sliced, and a button blank is changed into a plurality of button blanks, so that the raw material is greatly saved, the production cost is reduced, and the utilization rate of the shell is increased; 2, since two faces of the button blank are leveled by using a face correction machine, the produced button is more standard, and the requirement of clients on quality can be met better; and 3, the button has a more attractive shape pattern by laser after shaping.