PCB electroplating tank having efficient stirring effect

The invention belongs to the technical field of PCB preparation, discloses a PCB electroplating tank having an efficient stirring effect, and is used for solving the problem of stirring nonuniformity in a traditional electroplating tank. The PCB electroplating tank comprises a circular tank body, wherein the tank body comprises a tank bottom and a side wall surrounding the tank bottom; the side wall comprises an inner shell and an outer shell; the outer shell coats the external of the inner shell; a spiral guide tank is formed between the inner shell and the outer shell; the guide tank is spirally formed downwards, and is provided with a liquid inlet and a liquid outlet; the liquid outlet is formed in the inner shell; the liquid inlet is formed in the outer shell; the liquid outlet is connected with a nozzle; and the nozzle is mounted on the inner shell tangentially.