The utility model discloses an efficient mixing and extracting integrated device, and belongs to the field of micro-fluidic control. The device comprises a glass substrate, a liquid inlet I, a liquidinlet II, a liquid inlet III, a liquid inlet IV, a liquid outlet, a liquid channel and the like, wherein the liquid channel comprises a rapid mixing channel, a liquid separation channel and a stretching and folding channel; wherein the chip is arranged on the glass substrate; two-phase liquid flowing in from the liquid inlet I, the liquid inlet II, the liquid inlet III and the liquid inlet IV converge and then are communicated with one end of an inlet of the liquid channel; finally, the stretching and folding channel is communicated with the liquid outlet; rapid mixing is carried out through the rapid mixing channel; by using the liquid separation channel, mixed liquid can be divided into multiple strands of liquid, the device fully mixes the liquid in the liquid stretching and folding channel, and the device is simple in structure, easy to understand, simple to operate, convenient and practical, capable of controllably achieving liquid movement and internal mixing and good in application prospect.