The application discloses T type compound apartment, it by the upper strata with the lower floor is two-layer constitutes, the floor area on upper strata is greater than the lower floor, the family door is located the upper strata, the family door is towards running to perpendicularly with public stair, upper plane mainly comprises sitting room, principal bedroom, inferior bedroom and bathroom, the lower floor plane mainly comprises kitchen, dining room and bathroom. This application belongs to building house field. The utility model provides an actively the effect is: as double-deck compound apartment, it is equally shared by all for a short time, and floor area is less, and kitchen and dining room arrange the one deck alone in, has avoided the cooking activity to sitting room and bedroom influence, is favorable to the sanitation and hygiene in sitting room and bedroom.