The invention relates to the technical field of unmanned ship controlling, in particular to a miniature unmanned ship based on indoor research. Adjustment is conducted according to information fed back by a positioning device, after a circuit is controlled by a controlling circuit through wifi to receive a control signal, comparison between the fed back information and information collected by a receiving circuit of an encoder is conducted, and a motor driving circuit is driven by driving a motor to control a rotary motor to perform acceleration or deceleration or direction changing. Accordingto the ship, fitting degree with a real ship is high, the ship can be controlled and studied indoors, study in a complicated environment of a lake or ocean is avoided, authenticity of experiment canbe retained while safety is ensured, and study efficiency of the unmanned ship is greatly improved.