According to the molding characteristics, the injection mold is divided into two types: thermosetting plastic mold and thermoplastic plastic mold; according to the molding process, it is divided into plastic mold, blow mold, casting mold, thermoforming mold, hot stamping mold (compression molding), injection mold, etc. The hot stamping die can be divided into three types: overflow type, semi-overflow type and non-overflow type. The injection mold can be divided into cold runner mold and hot runner mold by the pouring system; Divided into mobile, fixed two.