Due to the intrusion of floods, mudslides, landslides, etc. the flood channel area of mountain scenic spots, the planned site is prone to natural soil erosion, forming a challenging urban site. Taking the reconstruction project of the Wangjiagou mountain scenic area in Beidaihe as an example, this article explores the specific strategies for ecological restoration of such difficult sites from the perspective of landscape planning and design, combining engineering construction and biological recycling measures. Based on this, the article expects to effectively reduce the losses caused by mountain torrent disasters to scenic tourism and coordinate the sustainable development of mountain scenic spots’ ecological environment.