Shelter capable of being flexibly combined to achieve multiple building functions

The invention discloses a square cabin capable of being flexibly combined to realize various building functions, a connecting cabin and a functional cabin are quickly assembled and connected through a quick assembly structure, and the square cabin has the characteristics of being convenient to assemble and improving the construction efficiency. In addition, the connecting cabins and the functional cabins can be flexibly combined and assembled to achieve various building functions, various functional requirements of people are met, the expandability is high, and the device is suitable for being put in various sites. 本发明公开了一种可灵活组合实现多种建筑功能的方舱，该通过快装结构以将连接舱与功能舱快速组装连接，具有组装方便和提高施工效率的特点；另外通过连接舱与功能舱可灵活组合拼装实现多种建筑功能,满足人们各种功能需求，可扩展性强，适合各种场地投放。