The utility model discloses an engine multi-functional front mounting support. The engine multi-functional front mounting support is characterized in that an engine front mounting support and an air condition compression machine support are integrated through a front mounting support, an engine installing plate is provided with four engine installing holes, and the engine installing holes are connected with an engine. A support body is provided with front mounting cushion installing holes and connected with a whole lathe. An air condition compression machine installing plate is used for installing an air condition compression machine, and an air condition compression machine regulating stem installing plate assembles an air condition compression machine regulating plate, and the air condition compression machine regulating stem installing plate is used for tensioning the air condition compression machine. The engine front mounting support integrates the engine front mounting support and the air condition compression machine support and is capable of solving breakdown such as insufficient of a cabin abdicated space, and the insufficient of the cabin abdicated space leads to interference and unfulfilled assembly. The installation is convenient and the assembly processes can be reduced, and the cost is highly lowered. The engine front mounting support and the air condition compression machine support are integrated, the structure is compact, and the cost is lower.