The titanium nail will not fall out even if it does not fall out, because many gastrointestinal surgeries also require the use of anastomosis, and the titanium nail is in the patient’s body for life. The titanium nail is in the patient’s body for life. Of course, in a small number of patients, the titanium nail remains in the anastomosis, leading to recurrent anastomitis or rectal irritation, in which case the titanium nail needs to be removed surgically.