A crab catching device comprising: a frame having a plurality of support rods and a plurality of rectangular support members being defined by vertical bars and horizontal bars a pair of opposing sidewalls defined by plurality longitudinally splits bamboos being secured by a predetermined length of ropes attached to the side portion of said frame a top wall defined by plurality longitudinally splits bamboos being secured by a predetermined length of ropes attached on top of said frame a base member defined by plurality longitudinally splits bamboos being secured by a predetermined length of ropes attached at the bottom portion of said frame a rear wall defined by plurality longitudinally splits secured at the rear portion of said frame a trapping assembly defined by plurality longitudinally splits bamboos being secured by a predetermined length of ropes attached at the front portion of said frame a baiting member attached at the middle portion of the frame and a pair of support assembly secured at the front portion and rear portion of the crab catching devtce , respectively.