Based on the conventional drilling project, the complex mountainous terrain for coal exploration construction was difficult to form a regular network problems, according to the actual circumstance of mountainous terrain, drilling was difficult to be carried out in accordance with the ideal design layout. 3 d seismic can effectively solved these problems, the mountainous terrain can play the advantages of 3 d seismic exploration area, was beneficial to mine in the overall control of mountainous terrain, through 3 d seismic in the central mountains of Henan province, the practical application of good geological effect was obtained.