WARMAIR for Veterinary Automatic Air Warming System (hereinafter referred to as WARMAIR) consists of a five-range temperature management module, an internal cleaning and disinfection module, a hot air purification module and a number of other components, including WARMAIR reusable air cushion, disposable surgical air cushion and air cushion for impatient pet cage. WARMAIR is connected to the warming air cushion through a hose. Warm air is generated in the main unit and forced into the air cushion through the hose. The warming air cushion of a proper model is placed around, on or under the pet to receive a surgery. Warm air will be evenly blown onto the pet through the small holes on the warming air cushion.