A spherical sea-land-air intelligent scout robot is composed of eagle eye probes, fish eye probes, information transmitting heads, an outer inductor cartilage pergola, inner-outer penetrating meshes, a cartilage landing body, a first motor, air shock absorbing springs, a first motor spindle, an intra-sphere mechanical universal fixing ring, first rotor wings, a first connecting shaft, an intelligent robot controller, a balancer rudder connecting rod, a second connecting shaft, second rotor wings, a second motor spindle, a second motor, a battery, a balancer first bevel rudder, a balancer second bevel rudder, an intra-sphere mechanical universal fixing support, a multipurpose circuit, a second auxiliary shaft, a second propeller, a first auxiliary shaft, a first propeller, a connecting ring, a first snap and a second snap in a combined mode. According to the spherical sea-land-air intelligent scout robot, an air vehicle, an underwater vehicle and a robot are integrated, and lurking and scouting tasks in any space of sea, land and air can be completed under the condition that the space allows the size of the robot to enter. The spherical sea-land-air intelligent scout robot has the beneficial effects that the size is small, the structure is reasonable, the movement performance is outstanding, and control is efficient.