The invention discloses a circular BGA base plate cleaning device. The circular BGA base plate cleaning device comprises a rack, wherein multiple telescopic cylinders are fixed on the left and right sides of the top plate of the rack; the push rod of each telescopic cylinder vertically downwards penetrates through the top plate of the rack and is fixedly provided with a connection plate; the outer side walls of the front and rear ends of each connection plate is fixedly provided with a clamping cylinder; the push rod of each clamping cylinder penetrates through the corresponding connection plate and is fixed on a clamping block; the opposite wall surfaces of the two clamping blocks are provided with limiting grooves; a BGA base plate is inserted into the two limiting grooves and is clamped between the two clamping blocks; the upper part of each connection plate is fixedly provided with multiple water spraying pipes; the sprayers of the water sprayer pipes face to the upper parts of the ends of the BGA base plate; and cleaning water liquid is filtered through the circular BGA base plate cleaning device, so that circular use of the cleaning water liquid is realized, and the utilization rate of the cleaning water liquid is improved.