In today's rapid economic development, mechatronics is the inevitable direction of the future development of construction machinery, and in the current society, mechatronics has also made certain achievements, and its application in construction machinery is also very wide. This can not only improve the operating efficiency of construction machinery, At the same time, it can effectively save labor. This paper briefly discusses the application of mechatronics in the field of construction machinery. Its summary, development status, and the important role of mechatronics in the field of construction machinery