The invention provides circulating water waste plastic cleaning equipment which comprises a cleaning chamber. A motor is arranged at the top of the cleaning chamber and connected to the top end of a stirring rod. Stirring blades are arranged at the bottom end of the stirring rod. A filter screen is arranged at the bottom of the cleaning chamber. A sewage chamber is arranged below the filter screen. A sewage pipe is connected to the bottom of the sewage chamber. The sewage pipe is connected with a filter which is connected with a water purifying pipe. The water purifying pipe is connected with a circulating water pump. The circulating water pump is connected with the cleaning chamber through a water inlet pipe. The filter screen is made of mesh-like metal. The cleaning equipment has the advantages of being simple in structure, convenient to manufacture, easy to operate, and good in cleaning effect, saving labor in the using process, and greatly saving cleaning water by adopting a circulating water system.