A fluid heat exchange apparatus (100, 200) comprising: a casing having a chamber, an inlet and an outlet, the chamber communicating between the inlet and the outlet, the inlet being configured to allow a first fluid to flow into the chamber, and the outlet being configured to allow the first fluid to flow out of the chamber, the chamber comprising a first channel (1221, 2221) having a first entrance (1221a, 2221 a) and a first exit (1221b, 2221b) and a second channel (1222, 2222) having a second entrance (1222a, 2222a) and a second exit (1222b, 2222b), the first entrance (1221a, 2221a) and the second exit (1222b, 2222b) being communicated to the inlet, wherein a cross-sectional area of the first channel (1221, 2221) decreases from the first entrance (1221a, 2221a) to the first exit (1221b, 2221b) and a cross-sectional area of the second channel (1222, 2222) decreases from the second entrance (1222a, 2222a) to the second exit (1222b, 2222b); a pump being configured to be utilized to apply pressure to flow the first fluid into the chamber via the inlet; a heat-dissipating device disposed in the chamber and located between the first exit (1221b, 2221b) and the outlet; and a heat-absorbing device disposed in the second channel (1222, 2222), wherein the heat exchange apparatus is configured to allow part of the first fluid flowing through the heat-dissipating device and vaporized by absorbing heat to form a plurality of bubbles moving to the second channel (1222, 2222) from the second entrance (1222a, 2222a), the bubbles dissipating heat to form a second fluid after flowing through the heat-absorbing device, the second fluid converging into the first channel (1221, 2221) after flowing out of the second channel (1222, 2222) from the second exit (1222b, 2222b). a casing having a chamber, an inlet and an outlet, the chamber communicating between the inlet and the outlet, the inlet being configured to allow a first fluid to flow into the chamber, and the outlet being configured to allow the first fluid to flow out of the chamber, the chamber comprising a first channel (1221, 2221) having a first entrance (1221a, 2221 a) and a first exit (1221b, 2221b) and a second channel (1222, 2222) having a second entrance (1222a, 2222a) and a second exit (1222b, 2222b), the first entrance (1221a, 2221a) and the second exit (1222b, 2222b) being communicated to the inlet, wherein a cross-sectional area of the first channel (1221, 2221) decreases from the first entrance (1221a, 2221a) to the first exit (1221b, 2221b) and a cross-sectional area of the second channel (1222, 2222) decreases from the second entrance (1222a, 2222a) to the second exit (1222b, 2222b); a pump being configured to be utilized to apply pressure to flow the first fluid into the chamber via the inlet; a heat-dissipating device disposed in the chamber and located between the first exit (1221b, 2221b) and the outlet; and a heat-absorbing device disposed in the second channel (1222, 2222), wherein the heat exchange apparatus is configured to allow part of the first fluid flowing through the heat-dissipating device and vaporized by absorbing heat to form a plurality of bubbles moving to the second channel (1222, 2222) from the second entrance (1222a, 2222a), the bubbles dissipating heat to form a second fluid after flowing through the heat-absorbing device, the second fluid converging into the first channel (1221, 2221) after flowing out of the second channel (1222, 2222) from the second exit (1222b, 2222b).