Manual-driving propeller pushing type hydroflap device without boat body

The utility model provides a manual-driving propeller pushing type hydroflap device which improves interestingness and operability and is low in resistance, high in speed and voyage endurance during running. The manual-driving propeller pushing type hydroflap device comprises a bicycle body. The bicycle body is provided with a handle and a seat, a front hydroflap plate is arranged at the front end of the bicycle body, a rear hydroflap plate same with the front hydroflap plate in height is arranged on the rear portion of the bicycle body, pedal plates are mounted in the middle of the bicycle body, are connected with a gear transmission mechanism arranged on the rear portion of the bicycle body in a driving manner via a sprocket wheel. The gear transmission mechanism is connected with a propeller at the tail end of the bicycle body. The manual-driving propeller pushing type hydroflap device is low in resistance, high in speed and voyage endurance during running and has interestingness and operability.