The invention discloses a multifunctional outdoor solar energy ultraviolet ray disinfection box. The multifunctional outdoor solar energy ultraviolet ray disinfection box is composed of a tank body, ahandle, a lock lower groove, an ultraviolet lamp tube, a box cover, a lock upper insert, an angle adjusting supporting strip, adjusting holes, a solar cell panel assembly, a conversion control circuit module, a lithium battery, a cell panel backboard box, a fixing turn button, ad a support sheet; the solar cell panel assembly is adopted, so that electricity energy obtained through conversion of solar energy is input into the lithium battery for storage using the conversion control circuit module; electricity energy stored in the lithium battery is used for supplying the ultraviolet lamp tubewith electricity using the conversion control circuit module; the multifunctional outdoor solar energy ultraviolet ray disinfection box is used for ultraviolet ray disinfection of outdoor tableware ormedical articles; the elevation angle of the solar cell panel can be adjusted based on the position of the sun; simple and effective disinfection of a plurality of outdoor articles can be realized. Design is simple and scientific, the multifunctional outdoor solar energy ultraviolet ray disinfection box is portable, is convenient to use, is low in cost, is capable of saving energy, is friendly tothe environment, is excellent in disinfection effect, and is wide in application range.