The utility model discloses a jiang nets sampling device suitable for torrent water environment, it be including can changeing movable support, can change in movable support installs the sleeve on the fixed disk, and the fixed mounting of carousel mechanism is on can changeing movable support's vertical pole, and multiunit fixed pulley fixed mounting is on can changeing movable support, and on the capstan winch on the fixed disk was connected to the one end of steel cable, the other end passes the fixed pulley to be passed through the lifting hook and links to each other with the jiang net, the bottom fixedly connected with balancing weight of jiang net. Utilize this device gear system and pulley system freely remove the net with lift jiang, the saving manpower, and easy the operation, adaptation torrent water environment that can be better satisfies the field work demand.