Now most of domestic oil-filed had entered the latter part of development, the problems, such as, improving cost, poor reserves, etc, had dragged down the development of oil-filed enterprises. It makes the healthy development of exploration of oil-filed play a much more important role, therefore, it’s necessary to evaluate it scientifically. On the basis of establishing the standard index system of healthy development for oil-filed enterprises exploration, and with the domestic oil-filed enterprises examples, the article determines the level of exploration healthy development, and evaluates it with DEA method. Through the analysis, finally it supplies foundations for the healthy development of oil-filed exploration.