Sanheyuan Project, January 2018, with the improvement of related work such as geological prospecting and surveying and mapping, the project started to enter the pre-arrival work. The problem of earthwork transportation after the formation of the site has been confirmed by the leadership of the company and the demolition of the building has begun. At present, our department, together with the technical issues of design, geological survey, general contracting parties and project supervisors, the technical issues of foundation treatment, the impact of large span of greenhouse structure on site and the existing protection of trees. In terms of cost, efforts to communicate.