Pet water dispenser capable of displaying water level through floating ball

The utility model relates to a pet water dispenser with a water level displayed by a floating ball in the technical field of pet water dispensers, which comprises a barrel body and a water level ball used for assisting in water level display, a middle support is mounted at one end of the barrel body, an upper cover is arranged at one end of the middle support, a filtering component used for filtering is arranged in the middle support, and a mounting groove is formed in the surface of the barrel body. A display assembly is mounted on the surface of the mounting groove, the water level ball is located in the display assembly, and when liquid is injected into the barrel body, the water level ball moves along the interior of the display assembly through buoyancy of the liquid; the water level condition can be visually observed through the water level ball, and liquid overflow caused by excessive liquid injection is avoided; the water source is filtered for multiple times through the filtering assembly, and when t