The utility model discloses a color comparison pipe support suitable for sample is cleared up to boiling water bath, including the bottom plate, the both sides of bottom plate are equipped with the curb plate respectively, and the top of curb plate is equipped with handle hole, is connected with first backup pad and the second backup pad that is parallel to each other between two curb plates respectively, first backup pad and second backup pad all lie in the bottom plate top just with bottom plate parallel arrangement, in first backup pad and the second backup pad respectively the correspondence be equipped with a plurality of supported holes that are used for placing the colour comparison tube, be equipped with rubber in the supported hole of second backup pad respectively, the center of rubber is equipped with the cross opening, be equipped with the biography temperature holes that a plurality of and colour comparison tube bottom corresponds on the bottom plate, adjacent four pass and are equipped with the hole of permeating water between the temperature holes, and the color comparison pipe support still includes and is used for covering that the water -bath is surperficial prevents the heat loss device. The utility model discloses rational in infrastructure, convenient operation can reduce the heat loss, guarantees heating temperature, can reduce staff intensity of labour, improves work efficiency, can ensure the monitoring results accuracy, safe and reliable.