The invention discloses a concrete transport vehicle and a vehicle bucket capable of automatically sun-shading and heat preservation, and relates to the technical field of box shading. The vehicle bucket capable of automatically sun-shading and heat preservation comprises a box body, a driving part, a connecting rod mechanism and a sun visor, wherein the box body is used for bearing goods, the connecting rod mechanism comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is rotationally connected with the box body, and the other end of the first connecting rod is rotationally connected with the sun visor, one end of the second connecting rod is rotationally connected with the box body, and the other end of the second connecting rod is rotationally connected with the sun visor, so that a hinge four-bar mechanism is formed jointly, the driving part is installed on the box body and is in transmission connection with the first connecting rod or the second connecting rod, the driving part can drive the first connecting rod or the second connecting rod to rotate, so that the first connecting rod or the second connecting rod drives the sun visorto move to an opening of the box body, and the opening is covered. The concrete transport vehicle and the vehicle bucket capable of automatically sun-shading and heat preservation have the characteristics of being capable of automatically completing the thermal insulation and sun-shading actions, and being good in sun-shading and heat-preservation effects.