The invention provides a portable streamline remote-control underwater robot. By the aid of the portable streamline remote-control underwater robot, the problems of complicated structures and poor flow resistance of existing frame type underwater detection robots can be solved. The portable streamline remote-control underwater robot has a series of advantages that the portable streamline remote-control underwater robot is provided with a streamline shell, two main thrusters, two vertical thrusters and two vertical rudder wings are matched with one another, and accordingly remote-control flow-resistant detection can be carried out by the portable streamline remote-control underwater robot in water; the portable streamline remote-control underwater robot is simple in structure, easy to control and high in environmental adaptability, has certain extensibility and is mainly used for accomplishing detection tasks in marine environments, and the like.