For the frequency usage of network data and the need for interactive experience in using big data, the early FTP, QQ group sharing, NFS, Samba and Windows sharing have been difficult to meet user’s demand for office. OwnCloud is an open source cloud office storage service solution. This paper studies on the construction of cloud office platform based on ownCloud in Linux open source environment, and lists the ownCloud service functions, providing a set of efficient cloud office solution for reference.