The invention discloses a handheld parameter collection device, comprising a sleeve and a support body. The support body is movably mounted on the sleeve. A cone rod is movably embedded into the support body. A display screen is fixedly mounted on the sleeve. A cable storage cylinder is fixedly on the sleeve at one side of the display screen. A cable is wound on the cable storage cylinder. A telescopic rod is movably embedded at one end of the sleeve. A cable collection roller is connected with the telescopic rod through a connection element. A hand crank is mounted on the cable collection roller. A first collection rod is fixedly connected with one end of the telescopic rod. A limiting buckle is fixedly on the first collection rod. The connection cable wound on the cable collection roller penetrates the limiting buckle. One end of the first collection rod is rotationally connected with a second collection rod through a moving shaft. Bayonets are arranged at two end parts of the moving shaft. A camera is fixedly mounted at the tail end of the second collection rod. The device is simple and compact in structure and convenient in use. Parameter collection demands in various geographical environments can be satisfied. The device is convenient for carrying and is flexible and variable in use. The collection efficiency is effectively improved.