The invention discloses a family affection sharing system of photos, videos and congratulation cards based on a cloud platform. The family affection sharing system comprises a user access layer, a comprehensive application layer and a cloud platform storage layer. The user access layer is used for directly providing links for users or accessing network; the comprehensive application layer is used for remotely calling various service functions through a data transform technology and processing the recourses in a webdav release directory on a server through a WEBDAV protocol; the cloud platform storage layer is used for managing data storage. By using the family affection sharing system provided by the invention, mobile phone numbers are adopted as a link, multiple members of a family are invited at the same time, the members can edit the photos or congratulation cards through own mobile phone clients and upload the edited photos or cards to the cloud server, and then the photos of the relatives are shown in a cloud photo frame at home; the members can timely update dynamic states, actually concern and love the empty-nest elderly to increase happiness.