The invention discloses a hot water circulator detection device. The device comprises an operation table, a water storage mechanism and a detection mechanism; the operation table includes a platform; the water storage mechanism includes a water tank, water pipes and automatic pipe-connection mechanisms; the water tank is arranged below the platform; one end of each water pipe is connected with the water tank, and the other ends of the water pipes are connected with the corresponding automatic pipe-connection mechanisms; the automatic pipe-connection mechanisms are located on the platform; and the detection mechanism includes a controller and a water flow sensor assembly, wherein the controller is located on the platform, and the water flow sensor assembly is electrically connected with the controller. With the hot water circulator detection device of the invention adopted, the high automation is realized; the operation steps of finished product detection are simplified; the operation difficulty of the detection is reduced; detection efficiency is improved; labor costs are saved; and the possibility of bad products flowing to customers can be eliminated.