Size detection tool for refrigerator door body

The utility model provides a size detection tool for a refrigerator door body. The size detection tool comprises a base; each guide rail group comprises at least one guide rail; the at least one supporting assembly is arranged on the base, each supporting assembly comprises two sets of supporting pieces which are oppositely arranged, a space for containing a refrigerator door body is formed between the two sets of supporting pieces of each supporting assembly, and each supporting assembly is used for supporting one guide rail set; and at least one detection device, each detection device is arranged at one guide rail group, can slide along the guide rail of the guide rail group, and is provided with a detection part, and the detection part is arranged to abut against the to-be-detected surface of the refrigerator door body when the detection device slides along the guide rail so as to detect whether the to-be-detected surface is flat or not. According to the detection tool, measurement errors caused by human f