Electromagnetic valve with throttling function and refrigerating system

The utility model discloses an electromagnetic valve with a throttling function and a refrigerating system. The electromagnetic valve is arranged between a condenser outlet pipeline and an evaporator inlet pipeline of the refrigerating system and comprises a coil, a first electromagnetic valve and a second electromagnetic valve, the magnet is arranged in the first cavity, the upper end of the magnet is a movable end, the lower end of the magnet is connected with a sealing gasket through a connecting rod, and the connecting rod penetrates through a through hole between a second cavity formed by communicating the condenser outlet pipeline with the evaporator inlet pipeline and the first cavity; the magnet is attracted or released according to the on-off state of the coil, and then the sealing gasket is driven to change the position. The sealing gasket is arranged in the second cavity, and the position change of the sealing gasket triggers opening and closing of the throttling hole in the second cavity, and furt