Summary of case history,　patient Chen, female, 77 years old, sought medical attention on May 22, 2021 due to "4 years after surgery for intrahepatic bile duct stones with intermittent right quarter rib pain for 1 year". Four years ago, the patient was diagnosed with "intrahepatic bile duct stones" at an external hospital due to "pain in the right quarter rib area". After conservative treatment was ineffective, the patient underwent "partial liver resection+bile duct incision for stone removal+Roux en Y anastomosis of the bile duct opening". A year ago, the patient experienced pain and vomiting in the right quarter rib area again. Upper abdominal CT showed multiple bile duct stones in the left and residual right lobes of the liver, dilation of the intrahepatic and extrahepatic bile ducts, and improvement after treatment with anti-inflammatory and antiemetic drugs. However, there was still hidden pain in the right quarter rib area. In order to seek further treatment, he came to our hospital for treatment. Symptoms and signs: The patient has clear consciousness, a dull complexion, dull pain in the right quarter rib area, no vomiting, poor appetite, poor sleep, slightly bitter mouth, good Tai Xi, yellow urine, and normal bowel movements. The tongue is red, the fur is white and greasy, and the pulse is stringy and smooth.,TCM diagnosis,　hypochondriac pain(damp-heat stagnation in the liver and gallbladder, evidence of unfavorable drainage).,Western medicine diagnosis,　intrahepatic bile duct stones.,Therapeutic methods,　traditional Chinese medicine treatment is based on the method of soothing liver and gallbladder, eliminating stone and relieving pain, and is treated with Xiaochaihu decoction and Sijin Paishi decoction.,Clinical outcomes,　the patient 's right costal pain did not recur, and no intrahepatic bile duct stones were found by B-ultrasound..