The so-called appendicitis stone, accurately should be the appendix of the lumen of the fecal stone can be seen, due to the appendix of the lumen is very thin, the opening is very narrow, so the fecal stone into the lumen of the appendix, the discharge is very difficult, so that the appendix caused by the blockage. The mucous membrane of the appendix will continue to secrete some mucus, which will make the pressure in the appendix cavity higher and higher, and the blood circulation will be impaired, which will cause the inflammation of the appendix to increase gradually, and finally suppuration of the appendix or even perforation may be formed. In some cases, abscesses may form around the appendix, and if they develop to such an extent, surgical treatment is required.