Low-carbon economics is the theme of our age and it is taken as an ideal form of national economical development by all the countries. As a part of the geological work, the exploration engineering (rock & soil drilling and tunneling) is the pioneer of national economic construction, which has inseparable relations with low-carbon economics. This article briefly discussed the relationship of exploration engineering (rock & soil drilling and tunneling) with low-carbon economics and the continuous development of the technique itself.