FOB stool collection tube, a sampling tool specially designed for fecal occult blood test, is an important auxiliary equipment for early screening of intestinal cancer and other digestive tract diseases. Its compact design, built-in special absorption pad, can accurately collect trace stool samples, to avoid excessive sample size affect the test results. The operation of the collection tube is simple, without complicated preparation, and the user can easily complete the sample collection at home to ensure the integrity of the sample and the accuracy of the test. Its portability and non-invasive features greatly facilitate the health screening of large-scale populations.