An intelligent takeout delivery method based on robot and unmanned aerial vehicle combined operations comprises the steps that a merchant transmits delivery information into a first robot, after receiving the delivery information, the first robot automatically plans the optimal traveling route and travels toward a first delivery address according to the preset speed, and the traffic conditions of the current route are obtained; if a traffic jam is detected, real-time locating is conducted, locating data are obtained, whether a second robot exists in a preset radius spreading around with the locating data as the center on a preset map is searched, and if yes, takeout is sent to the second robot nearest to the first robot through an unmanned aerial vehicle, and the route is transmitted to the second robot; and the first robot travels to a corresponding place of a second delivery address and detects whether an elevator exists, if yes, an up-going order is sent to the elevator, whether an elevator door is opened is detected, if yes, the first robot enters the elevator and controls the elevator to go up to the floor where the second delivery address is located, and when the condition that the elevator stops at the floor where the second delivery address is located, the first robot walks out of the elevator and calls a customer.