With the increasing number of domestic cats in China，the business trips or vacations of pet owners have also spawned the need for cat boarding in cat hotels or pet stores，and good boarding facilities should be able to meet the behavioral needs of cats. This article starts from the characteristics of cats' needs for living space and the characteristics of foster care activities，and then provides the design ideas of cat fostering space. In the end，the characteristics，scene arrangement and daily cleaning methods in the fostering space are discussed.