The invention discloses a practical household cupboard. The cupboard comprises a cupboard body, a door body and a locker, wherein a control panel is mounted in the cupboard body, a storage rack is mounted above the control panel, a lamp is mounted above the storage rack, vent holes are formed in two sides of the lamp and symmetrically distributed, an observation port is formed in the door body, a display screen is mounted below the observation port, the grille type storage rack is mounted in the locker, telescopic pulley guide rails are mounted on two sides of the grille type storage rack respectively, a temperature sensor is connected with a power interface through a power line, a heating tube is connected with a temperature controller through a power line, the display screen is connected with the power interface through a power line, a pressure sensor is connected with the power interface through a power line, and the lamp is connected with the pressure sensor through a power line. The cupboard is reasonable in structure, high in practicability and capable of meeting the requirement of consumers for healthy cupboards.