编辑同志: 不明原因的低热患者,临床上并不少见,诊断、治疗较困难。我院采用冷水浴治疗1例不明原因、反复低热10年的患者,已10年未复发。报告如下: 患者,女,45岁。于1971年元月行甲状腺囊肿切除,术后第8天拆线后,开始发热,体温在37.5°-38.5℃之间,当时经青、链霉素抗感染半月,并静脉输液,同时服用其它中、西药,共治疗45天,体温仍在37.5～38℃之间。经多方检查和多次会诊,仍未明原因。出院时诊断为发热待查。出院后至9月底,体温逐渐正常。但 Editorial comrades: unexplained fever patients, clinical is not uncommon, diagnosis, treatment more difficult. Cold water bath in our hospital in 1 case of unknown reason, repeated fever for 10 years has not relapsed 10 years. The report is as follows: Patient, female, 45 years old. In January 1971, the thyroid cyst was resected. On the 8th day after the operation, the patient started to have fever. The body temperature was between 37.5 ° -38.5 ° C. Anti-infective half-month of cyanine and streptomycin was given intravenously while other Chinese and Western medicine, a total of 45 days of treatment, body temperature is still between 37.5 ~ 38 ℃. After many checks and multiple consultations, is still unknown reason. Discharge diagnosed as fever pending investigation. After discharge to the end of September, body temperature gradually normal. but