A cold and heat exchange system for a cardiac surgical operation with cardiac arrest, comprising: an ice water tank (15), a primary circulation water tank (11), and a secondary circulation water tank (16). Side walls of the primary circulation water tank (11) and the secondary circulation water tank (16) are each provided with an overflow orifice which is connected to the ice water tank (15) through a circulation pipe (14). A first roller pump (12) is mounted on a first hose (13). A second roller pump (18) is mounted on a second hose (17). The primary circulation water tank (11) is mounted on a first loop (5) and a second loop (6). The secondary circulation water tank (16) is mounted on a third loop (1).
