Method for printing codes on base material and code printing equipment

The invention provides a method for printing codes on a base material and code printing equipment. The method comprises the following steps: forming a coating at a preset code printing position of a base material; engraving a first identification code on the coating by using laser; removing the coating so as to remove the first identification code; the coating is formed on the base material, the first identification code is carved on the coating, and when the first identification code needs to be removed, only the first identification code needs to be removed, so that the influence on the base material is small, and the operation is simple and convenient. 本申请提供一种在基材上打码的方法和打码设备。该方法包括：在所述基材的预设打码位置形成涂层；使用激光在所述涂层上雕刻第一识别码；清除所述涂层，以除去所述第一识别码；本申请通过在基材上形成涂层，并在涂层上雕刻第一识别码，当需除去第一识别码时仅需清除即可，对基材影响较小且操作简便。