Pain in the right side of the crotch may be caused by acute appendicitis or right-sided inguinal hernia after incarceration. The location of the pain needs to be determined, if the pain occurs in the right lower abdomen by pressing on the abdomen, then it may be appendicitis, which needs to be further clarified by routine blood tests and ultrasound examination of the appendix; if the routine blood tests reveal elevated white blood cells, and the ultrasound examination of the abdomen reveals that the appendix is swollen, with oozing or fecal stone in the appendiceal lumen, then it is acute appendicitis, and it is recommended to have surgery, which means to have laparoscopic appendicectomy. If the right inguinal hernia incarcerated can also lead to pain in the right side of the crotch, manifested in the right inguinal region of the mass, the mass can not be retracted, pressure on the mass has obvious pain, usually need surgical treatment, incarcerated inguinal hernia loosening, the contents of the retraction, if the incarceration of a shorter period of time, there is no obvious bacterial contamination, can be one stage of the hernia of tension-free repair surgery.