The invention discloses a manual and automatic integrated power shift driving force reversing transmission case comprising a shift speed change main case, a power reversing device and a shift speed change auxiliary case which are connected sequentially. The manual and automatic integrated power shift driving force reversing transmission case provided by the invention is compact in structure and easy to assemble, power output is smooth, intensive power shift gears are achieved within a high-use-frequency speed range, the manual and automatic integrated power shift driving force reversing transmission case can effectively adapt to resistance change, power needs are met, transmission efficiency is high, power performance and economy are good, the manual and automatic integrated power shift driving force reversing transmission case can adapt to automatic control technical requirements and is matched with an electrohydraulic control system to meet the manual and automatic integrated controlrequirements, in addition, any forward gear is only subjected to double reduction in the transmission case, the number of times of gear meshing is small, and mechanical efficiency is high.