The case of applying for Mining Development on the Mining Act, is divided into two stages, setting of Mineral Right and Approval of Mining Industry Land. As to Approval of Mining Industry Land on the Mining Act, means "land" or "plan", which is not easy to be judged and often misunderstood. Therefore, we can analyze and discuss the true meaning of Approval of Mining Industry Land, by the legal system & procedure guide of Mining Industry Development & Land Management. The essence is the action of "reviewing", and the object of reviewing is "Using Plan of Land".