The invention discloses an automatic, intelligent, integral, safe and quick cooling system for a transformer. The system comprises the transformer, an electromagnetic valve, a hand control valve, a pressure gauge, an umbrella shaped nozzle, a temperature sensor, a background monitoring machine, a temperature control instrument, a UPS (uninterruptible power supply), a spraying auxiliary device, alarm color indicator lights and an intelligent temperature control switch. The spraying auxiliary device comprises a galvanized water pipe, an auxiliary support, a high-voltage connection hose and magnetic attraction pieces; a safety shield is arranged at the umbrella shaped nozzle; the background monitoring machine and the temperature control instrument are connected with a remote/zero/local control switch. The system has the advantages that safety in water cooling for the transformer is improved, quickness in cooling of the transformer under the condition of unattended operations is realized, remote automatic monitoring and operation control of a control center are guaranteed, and intelligence, automation, high safety, convenience and quickness in operation, directness and effectiveness in cooling of the transformer are achieved.