The invention discloses a multifunctional enterprise smart cloud platform. The multifunctional enterprise smart cloud platform comprises an authentication management system, a function selection system, a virtual desktop system, an internal business system, an external resource system, designated smart devices and a private cloud server, wherein the authentication management system, the function selection system, the virtual desktop system, the internal business system, the external resource system and designated smart devices are respectively connected with the private cloud server. The multifunctional enterprise smart cloud platform provided by the invention has the advantages that PCs (Personal Computers), smart phones and tablet computers share the same virtual desktop; the access to the virtual desktop system or the enterprise internal business system can be realized anytime and anywhere as long as a network exists; data are managed on the private cloud server in a centralized manner, data loss and secret divulgence can be effectively avoided and enterprises can fully master the data; since the external resource system is provided for collection, classification and integration in the Internet, query and one-key service can be realized according to the needs, the time is saved and the working efficiency is improved.