Minor pubic bone fracture usually can not sit to urinate and defecate. Minor pubic bone fracture usually has no comminution or obvious displacement of the fracture, take bed rest for 6~8 weeks. Urinating and defecating in bed, you can use a flat bedpan, so that the fracture local stimulation is also relatively small, avoid sitting urinating and defecating, may cause local pain and displacement of the fracture, when 6~8 weeks radiographs of the fracture localized healing is good, there is no pain, you can sit and urinate and defecate. If the fracture is crushed or displaced also can not sit and urinate and defecate easily caused by fracture displacement, stabbing the surrounding tissues cause significant pain. Therefore, minor pubic bone fracture can not sit to urinate and defecate, need to review the film regularly, according to the recovery of the fracture before considering to go down to the ground or sit to urinate and defecate.