Coal mining system and coal mining method

The invention relates to the field of coal mining, and provides a coal mining system and a coal mining method.The coal mining system is characterized in that a first coal mining machine is arranged at one end of a coal mining working face; the second coal mining machine is arranged at the other end of the coal face; the third coal mining machine is arranged between the first coal mining machine and the second coal mining machine; the working areas of the first coal mining machine and the third coal mining machine coincide to form a triangular coal area, and the working areas of the second coal mining machine and the third coal mining machine coincide to form a triangular coal area. According to the coal mining system, the first coal mining machine, the second coal mining machine and the third coal mining machine work at the same time, the first coal mining machine and the second coal mining machine are arranged at the end of the coal mining working face for coal mining, the third coal mining machine is arrang