Vein blood sampling bag for field emergency treatment

The utility model provides a field first-aid vein blood collection bag, a blood collection component comprises a storage disc and a blood collection disc, and the storage disc is provided with an edge tool storage groove body, a blood collection article storage groove body and a garbage storage groove body. The edge tool storage tank body, the blood sampling article storage tank body and the garbage storage tank body are arranged in parallel and are of groove structures formed by sinking one side of the storage tray; a cylindrical groove body into which a blood collection tube is inserted is formed in the blood collection plate; and the side edge of the blood sampling disc is detachably and rotatably connected with the side edge of the storage disc. When not in use, the storage tray and the blood collection tray are stacked up and down and stored in the storage bag, the occupied space is small, when in use, the storage tray and the blood collection tray are taken out and unfolded for use, the blood collection