The utility model relates to a mud flat shellfish culture field, in particular to mud flat shellfish pond temperature canopy breeding device. The utility model provides a following technical scheme: a plurality of support frame that mud flat shellfish pond temperature canopy breeding device, including erectting side by side on the mud flat and a space is shellfish control by temperature change farming space, is equipped with temperature control mechanism and oxygenation mechanism in the shellfish control by temperature change farming space that the film on the support frame is located to the cover, between film and the support frame the ground of film and mud flat between sealed through sealing mechanism. Adopt above -mentioned technical scheme, provide one kind can implement the keep -alive to the shellfish in the low temperature stage, improve the growth rate of shellfish in the microthermal climate, can implement the control by temperature change, simple structure, mud flat shellfish pond temperature canopy breeding device that the leakproofness is good.