The utility model discloses a balcony cabinet with collapsible hidden table leg, include the folded sheet, place box, U -shaped draw -in groove, table, table leg, rotation seat, balcony cabinet body and baffle, the front of balcony cabinet body sets up the opening, and the inside of balcony cabinet body sets up a plurality of baffles, cuts apart into a plurality of little spaces with the inner space of balcony cabinet body through the baffle, the top surface of opening top through being the hinged joint table of balcony cabinet body. The utility model discloses a table and folding table leg structure for balcony cabinet body both can use as the cupboard, can become a simple and easy desk simultaneously, and the table leg can be hidden, and is more pleasing to the eye, and this practicality is simultaneously inlayed the installation at the middle part of table and is placed the box, can place materials such as spices, insect repellant placing the box, thereby make the function of balcony cabinet body more various, beautifies people's life, offers convenience for the life.