The utility model discloses a toolbox is used in diagnosis of portable animal, including the outer container, the equal fixedly connected with fixed plate in top both sides of outer container to the equal fixedly connected with supporting leg in bottom both sides of outer container, the top of outer container is run through there is the movable rod, the movable rod extends to the outside one end fixedly connected with handle of outer container to a L type pole and the 2nd L type pole are close to the equal fixedly connected with dead lever in one side of movable rod, the utility model relatesto an animal medical treatment technical field. This toolbox is used in diagnosis of portable animal, the top fixedly connected with through the fly leaf places the case, has reduced the consumption of time, active connection method's shadoof makes things convenient for opening of toolbox more, surface through the connecting rod and be located the bottom fixedly connected with belt pulley of second gear falls into a plurality of casees of placing, the instrument classification place that will use in placing the case, when seeking the instrument very convenient with swiftly, saved the time, improved work efficiency.