Intelligent garbage can capable of automatically replacing garbage bag

An intelligent garbage can capable of automatically replacing a garbage bag comprises a main body, a bag opening fixing mechanism, a bag taking mechanism and a bag opening mechanism, wherein the bag opening fixing mechanism and the bag taking mechanism are fixedly installed on a side plate in the main body, the bag opening mechanism is installed at the upper position in the main body, and the garbage bag is pulled down through the bag taking mechanism and moved to the position above the garbage can. An electric cylinder drives a suction cup clamp to open to open the garbage bag, a first motor drives a threaded sleeve to move downwards to enable fan blades to enter the garbage bag, a second motor drives a rotating rod to enable the fan blades to be sequentially opened to form a circle, and the fan blades move downwards to open the whole interior of the garbage bag. The problem that when people put a garbage bag in a garbage can, the garbage bag cannot be placed in garbage can because there is air inside the ga