The invention discloses a display cabinet for cultural relics in the collection of a cultural institution. The display cabinet comprises a display cabinet body, a storage chamber is arranged on the inner side of the display cabinet body, a display lamp is arranged on the upper side of the storage chamber, a partition block is arranged on one side of the storage chamber, and a transparent door plate is arranged on one side of the display cabinet body; a storage plate is arranged on the inner side of the storage chamber, and a second installation block is arranged at one end of the storage plate; the second installation block, a second rotating block, a guide block and a guide groove are arranged at one end of the storage plate, the other end of the storage plate is provided with an adjusting groove, a limiting clamping column, a fixing block, a first rotating block, a spring and an adjusting rod, the storage plate can be conveniently installed, the inclination angle of the storage platecan be conveniently adjusted, and the situation that the position of the storage plate is not convenient to adjust, and the use is inconvenient is avoided; a base, a rubber pad, a protruding block, agroove, a dustproof bulge, a first damping spring and a warning strip are arranged on the lower side of the display cabinet body so that the vibration power on the lower side of the display cabinet body can be buffered and absorbed.