The introduction to this text moulds the ruiyi shaping craft of the tool case lid of an automobile, and the mould shaping structure, to moulding the influence of a quality. Pour the system, carry out the design of the system, mould shaping part and assembly structure, having formed the subject of this text, and pour in the system the rational overall arrangements of main fact, shunting and runner position are the focal point among them. Through to the structure scheme of the mould, working course of the mould and processing the analyzing detailed of the precautions, confirm designing program and craft. In order to move, set mode to accurately action-oriented institutions to make use of positioning guide columns and with the introduction sets. Top of body is putting off the introduction of a body. Taking into account the relationship between the location of parts, the use of circular cooling water distribution, in order to cool evenly and fast. Key words: lid of tool chest;technique;injection mold;core-pulling;structure of inclined push rod