Low-grade fever seven days after removal of biliary stent should be highly alert to the cause, which may be recurrence of primary disease, biliary tract infection or other conditions: 1. Biliary stent is a common treatment for bile duct obstruction, and biliary tract disease is a kind of disease that is easy to recur, and fever and abdominal pain will appear when recurring, so after removing the biliary stent, the first thing to do is to determine whether it is the recurrence of the primary biliary tract disease again. 2. Another reason for low fever is to consider whether the wound is infected or inflamed during the procedure of removing the biliary stent, which can only be determined after examination according to the symptoms. 3. Finally, if the primary disease or wound infection is ruled out as the cause of the low-grade fever, it is necessary to consider whether it is caused by other diseases. Removing the biliary stent requires surgery, if you have a low-grade fever after 7 days of removal, you should be highly vigilant and go to the hospital in time for a follow-up examination under the guidance of the doctor in order to clarify your condition and take the corresponding treatment plan to avoid delaying your condition and causing harm.