The invention relates to a BIM model storage and browsing environment establishment method based on cloud architecture, A user layer, a cloud application layer, an SaaS layer, a PasS layer and an IaaS layer are included; the user layer is used for providing a BIM model resource storage and browsing port for a terminal user; the cloud application layer is used for providing a remote service application through a publicly-owned cloud model; the SaaS layer is used for providing BIM model storage and browsing software facility service; the PasS layer is used for providing an application program developing and operating environment basic application platform; and the IaaS layer is used for providing all basic computer resource facility services. By virtue of the establishment method, the problems of high processing load, poor visualization effect, high hardware cost, low safety and the like of the BIM terminal user model at the current stage can be solved, thereby promoting BIM model resource sharing and interaction.