Injection mould for plastic mould, distinguish the thermoset thermoplastic plastic mold two according to the forming characteristics; according to the forming process is divided into transfer mold, blow mold, mold, heat molding, hot pressing mold (mold), injection mold, the hot die to flash mode can be divided into overflow, overflow type, type three does not overflow, injection mould for casting system can be divided into the cold runner mold, hot runner mold two; according to the loading and unloading mode can be divided into mobile, fixed two.