The utility model discloses a leaked feed recovery device of a feed bag conveying belt. a leaked material recovery device is arranged on the support frame under the conveying belt; the leaked materialrecovery device comprises a main recovery tank arranged right opposite to the axis direction of the conveying belt. the tail end of the main recovery tank extends towards two sides to form a branch recovery tank a and a branch recovery tank b; wherein the branch recovery tank a and the branch recovery tank b are connected through a material guide bottom plate, a material guide plate a is arrangedbetween the main recovery tank and the material guide bottom plate, a material guide plate b is arranged at the central axis of the material guide bottom plate, and the branch recovery tank a and thebranch recovery tank b are controlled to be opened and closed through the material guide plate a and the material guide plate b. According to the device, leaked materials are fully recycled, the accumulation phenomenon caused by the leaked materials is avoided, and meanwhile resources are recycled; according to the branch recovery tank, through cooperation of the flow guide plate a and the flow guide plate b, rapid adjustment is conducted according to the leaked material recovery position, control over the flow guide flow direction of materials is achieved, positioning is stable, leaked material conveying adjustment is convenient and rapid, and application is wide.