Abstract: With the rapid development of UAV photogrammetry technology and GIS technology，oblique photogrammetry and three-dimensional modeling have been widely used in territorial planning，city planning，smart cities， etc..Traditional reclamation planning of two-dimensional mining areas is not conducive to the evaluation of the planning scheme，cannot show the planning effect and the comparison of the effect before and after the planning.Three-dimensional data is obtained by UAB oblique photogrammetry，and the three-dimensional modeling and visualization method of landscapes of land reclamation of mining area are studied by SuperMap software.Taking an open-pit mine in Tangshan City as an example，dates of the mining area is collected by UAV oblique photogrammetry，and processed by Pix4D mapper and Smart3D Capture softwares，so as to obtain the present data of the mining area.According to the present data and planning scheme，reclamation plans of the platform and slope are designed by using AutoCAD software.The AutoCAD reclamation scheme is transferred to the ArcGIS platform for unplanned triangular network （TIN） terrain modeling，the TIN mesh is converted to Sketchup in the intermediate software and then 3DMax，and the texture mapping is modeled in 3DMax.The 3DMax fine 3D model is transformed into SuperMap software format on the premise that the spatial reference is not changed.Finally，the land reclamation plan evaluation，planning effect display and planning before and after comparison are realized in the SuperMap software.The study results show that on the basis of tilt photogrammetric data of UAV，the planning model is transformed through a variety of GIS platforms without losing 3D texture rendering effect and constant spatial reference，realizing the true 3D visualization of seamless splicing of planning data and current data based on SuperMap software，which can be used for the reference for 3D modeling of mine ecological restoration planning based on UAV.

Key words: Ecological Restoration, Oblique photogrammetry, UAV, TIN, SuperMap, Spatial reference