Food microorganism detection sampling box

The utility model discloses a food microorganism detection sampling box which comprises a box body, the top of the box body is hinged with a layer plate through a first hinge, the top of the layer plate is hinged with a box cover through a second hinge, the box cover of the box body is internally filled with a heat preservation layer, the inside of the layer plate is fixedly connected with a limiting sleeve, and the limiting sleeve is fixedly connected with the top of the box body. A rubber sleeve is fixedly connected to the bottom of the limiting sleeve, a test tube is arranged in the limiting sleeve and the rubber sleeve in a sleeved mode, a tube plug is arranged at the top of the test tube in a sleeved mode, a first son buckle and a first mother buckle are opened, then a layer plate is lifted, and then ice water can be added into the box body; a user can insert a test tube filled with food microorganisms into the limiting sleeve and the rubber sleeve, so that the rubber sleeve is attached to the test tube,