The invention belongs to the technical field of batteries, and discloses a cooling system for a new energy automobile power battery pack. The cooling system comprises a converter, a battery pack, a converter pipeline, an air suction inlet, a first cooling fan, an air suction inlet for the battery, a box body, a microcontroller, a base, a water pump, a conduit, a second cooling fan and a coil pipe, wherein the second cooling fan used for radiating is arranged on the base; the coil pipe is arranged on the top of the second cooling fan; the battery pack is arranged on the top of the coil pipe; the first cooling fan is arranged on the top of the battery pack; the air suction inlet for the battery is formed in one side of the first cooling fan; and the battery pack is arranged in the box body. According to the cooling system, due to the microcontroller, the intelligent operation is realized; meanwhile, the cooling system is simple in structure and convenient to use; the first cooling fan, the second cooling fan and the water pump are adopted, and two radiating technologies are combined; and in addition, radiating blocks are arranged on the box body, so that the service life of the electric automobile battery pack is prolonged, accidents are prevented, and safety of passengers is ensured.