To provide equipment for a handy bunk for a large room which is economical, comfortable, and safe since equipment for a handy bed has a plurality of functions despite of its simple structure, is separated, is not affected by rolling of the next user, is free from risks that an adult or a child might step in a mattress where a baby is lying, enables an user to sit on the mattress comfortably, allows the user to sit as if he/she sat on a chair, and enables the user to keep a comfortable posture at meals.

A mattress and a partitioning board with a little height which surrounds four sides of the mattress are equipped.