The invention discloses an internal circulation type automatic sorting storing and taking device. The internal circulation type automatic sorting storing and taking device comprises a warehouse, a front end conveying belt, an overturning sorting mechanism and a distributing conveying belt, and the front end conveying belt, the overturning sorting mechanism and the distributing conveying belt are sequentially arranged in the warehouse, wherein a plurality of two-way sorting conveying belts are uniformly distributed around the periphery of the overturning sorting mechanism, and a warehousing device is arranged at the tail ends of the two-way sorting conveying belts; and the overturning sorting mechanism comprises a semispherical supporting frame, a semispherical overturning plate, a plurality of overturning columns distributed at the bottom of the semispherical overturning plate, a plurality of telescopic cylinders fixed to the supporting frame and an overturning platform installed on the semispherical overturning plate. The internal circulation type automatic sorting storing and taking device achieves automatic circulation in the warehouse, manual operation is not needed, full-automatic closed type management on a stereoscopic warehouse is achieved, and the goods safety is fully guaranteed; and the internal circulation type automatic sorting storing and taking device is compactin structural design, reasonable in arrangement, small in occupied area and low in cost.