In order to change the current teaching mode of geotechnical engineering professional course called cramming, implement the case type and teaching mode with discussion effectively, and construct the deep underground engineering major disasters case network auxiliary teaching platform, by collecting and organizing a lot of case material and according to the requirement of the teaching cases for selection and design, we build this deep underground engineering major disasters case network platform. The network platform of underground engineering major disasters based on Web technology development implementation the integration and sharing of resource case information, and facilitate students to review and consolidate the knowledge timely after class.Through geotechnical engineering specialized course teaching practice of the network platform in China University of Mining and Technology, the effect is good and the network platform has extensive application prospect and popularization value.