The invention provides a use method of a cleaning and message bathtub for a large dog. The method includes the steps of 1, opening a rubber curtain on the top portion of the bathtub, placing the large dog into the bathtub, making the large dog stretch the head through the rubber curtain and placing the dog head on a round through hole; 2, adjusting the positions of massage modules inside two massage blocks to make the massage modules abut against the potions, needing to be cleaned, of the large dog; 3, adding water into the bathtub, bonding a hook fastener with a loop fastener, and using a sprayer inside the bathtub to spay and clean the large dog, wherein the hook and loop fasteners are positioned on the tail end of the rubber curtain; 4, starting the two massage modules and an inflating and aspirating pump to conduct massage on the large dog; 5, starting a transmission mechanism to drive chains to rotate, wherein the chains can drive the massage modules to move front and back; 6, after the large dog is cleaned and massaged, opening the rubber curtain, and moving the large dog out of the bathtub to complete the cleaning operation. The use method of the cleaning and massage bathtub for the large dog has the advantages of being excellent in cleaning effect and capable of conducting cleaning and massage operation on the large dog.