The invention discloses an intelligent extinguishing trolley and an extinguishing method for a warehouse. A wireless network is connected with a matching smoke and flame sensor so as to quickly locate the fire point; a photoelectric tube array and an ultrasonic sensor drive the extinguishing trolley to reach the destination quickly and to avoid obstacles; straight sliding table and two-dimensional steering enable the direction of a fire extinguisher nozzle to be arbitrarily adjusted; and the types of fire extinguishers are changed according to using places. The intelligent extinguishing trolley and the extinguishing method for the warehouse can achieve automatic tracking, obstacle avoidance, fire information transmission, fire seat positioning and fire extinguishing.