The invention provides an integrated apparatus for a power battery. The integrated apparatus comprises a battery box, a power battery and a cooling device, wherein the power battery is located at thecentral portion of the battery box; the cooling device comprises a water cooling system and an air cooling system; the air cooling system comprises a ventilation fan and a temperature controller, andthe ventilation fan is connected to a power source through the temperature controller; the water cooling system comprises a water pump and a water flow loop, the water pump communicates with one end of the water flow loop, and the other end of the water flow loop passes through the bottom of the power battery in a zigzag way and then communicates with the water pump; a plurality of heat sinks areevenly arranged on the top of the power battery; and the side walls and the bottom wall of the battery box are covered with heat-insulating noise-reducing protection layers. With such a design, the integrated apparatus of the invention not only has strong cooling effect, but also has high automation degree.