The invention discloses a corsage and belongs to the field of decorative articles. The corsage comprises a corsage body, a bottom plate and a magnet; the corsage body is adhered to the bottom plate through a solid adhesive; and the magnet is adsorbed on the bottom plate. The corsage also comprises a plurality of LEDs (Light Emitting Diode), a battery base, a battery, an elastic pressure sheet, an isolation plate and a rotary shaft; the plurality of LEDs are adhered to the front face of the bottom plate through the solid adhesive; pins of the LEDs are connected with the battery base and the elastic pressure sheet through wires respectively; the battery base is installed on the front face of the bottom plate; the battery is installed in the battery base; the elastic pressure sheet is installed on the bottom plate at one side of the battery base; the isolation plate is made of an insulation material, is installed on the front face of the bottom plate through the rotary shaft and can rotate to the position between the battery and the elastic pressure sheet; and the bottom plate is made of an iron-based elastic sheet which is capable of automatically rolling up and being forcefully leveled. The corsage provided by the invention is convenient to wear and use.