Summary of case history,　The patient had no obvious cause of swelling or pain in the left inguinal and axillary lymph nodes 2 years ago, followed by ulceration and pus discharge. They were treated at West China Hospital of Sichuan University and underwent left inguinal lymph node resection biopsy. After pathological examination, they were diagnosed as lymphotuberculosis. In terms of treatment, "piperazamide tablets, rifampicin, ethambutol hydrochloride tablets, and isoniazid orally (specific dosage and frequency are unknown)" are given, and specific topical drugs are not available. After treatment, the incision healed well. After 1 year, all medications were discontinued, and the symptoms did not recur. In September 2022, the patient had no obvious cause of itching, ulceration, and clear pus at the left inguinal incision site. They sought medical attention again at the West China Hospital of Sichuan University and were given oral Western medicine (specific information is not available). External use of iodophor disinfection resulted in repeated scabbing and pus discharge at the site of the ulcer, which did not heal for a long time and the condition recurred. More than 1 month ago, the ulcer gradually expanded, with a slightly red and swollen wound surface, uneven surface, and a slight depression in the center of the skin lesion, accompanied by a large amount of clear and dilute gray white pus. In order to seek treatment,Current symptom: An ulcer with a size of about 2 cm×2 cm can be seen on the inner side of the left thigh. The skin lesion is slightly red and swollen, with an uneven surface and a slightly hard touch. The center of the lesion is slightly concave, accompanied by clear and thin gray white pus.Surrounded by black brown scabs, sometimes itching and pain. Dry mouth, bitter mouth, mental fatigue, poor appetite, good sleep, loose stools, 2-3 times per day, moderate urination, red tongue, white and greasy fur, and pulse count. Past history: deny the history of chronic diseases such as "hypertension, diabetes, coronary heart disease". Deny a history of infectious diseases and special illnesses. Family history: Deny family genetic history, and there are no similar patients in the family.,TCM diagnosis,　scrofula (dampness heat accumulation on the skin, half yin and half yang syndrome),Western medicine diagnosis,　ulcerative lymphoid tuberculosis,Therapeutic methods,　Oral administration of traditional Chinese medicine (including Hua Jian Er Chen Tang and Yi Yi Fu Zi Bai Jiang San), external treatment with gentamicin injection 160000 u and magnesium sulfate injection 40ml added to 500ml of physiological saline for local wet compress; Compound polymyxin B ointment for external application.,Clinical outcomes,　After a total of 2 months of treatment, the patient's local ulcer surface completely healed, and there was no recurrence after a 3-month follow-up.