Generally, when a patient experiences symptoms of nerve compression pain after biliary drainage, he or she needs to find out the cause and work with the doctor to relieve the pain by adjusting the drain or taking medication. Common causes of pain include factors such as poor biliary drainage or pain at the puncture site. 1. Drainage tube adjustment: Poor biliary drainage can lead to increased pressure in the biliary tract and increased pain. Patients should undergo cholangiography on the advice of their doctor. This requires the doctor to check whether the bile duct is obstructed, and cooperate with the doctor to readjust the drain or place a new drain. 2. Medication: Generally, patients will experience pain at the puncture site, and for some patients who are very sensitive to pain, the pain will become very severe. At this time, the symptomatic use of analgesic treatment can generally be effective, the patient can use analgesic drugs under the guidance of the pain department and surgeons, such as aminophenol hydrocodone. It is recommended that patients go to the hospital in a timely manner, under the guidance of physicians.