方药:鲜苍耳根茎250克,食盐适量。用法:将鲜苍耳根茎洗净,加水1000ml,煎沸20分钟即可,加食盐调味,每日1剂,代茶频饮。疗效:潘某,男,50岁,1986年8月10日初诊。自诉咳嗽、声音嘶哑3天,曾服西药不效。诊见声嘶咽痛,咯痰不畅,咽部潮红。诊为失音证。予上方治疗,服药1剂,语音嘶哑减轻;续服2剂后,语音清晰。随访年余, Recipe: 250 grams of fresh blackberry rhizome, salt amount. Usage: Wash fresh rhizomes, add water 1000ml, boiling for 20 minutes, add salt and seasoning, 1 day, on behalf of the tea frequency of drinking. Efficacy: Pan Mou, male, 50 years old, newly diagnosed on August 10, 1986. He complained of coughing and hoarseness for 3 days. He once served western medicine and was ineffective. Hear sonorous sore throat, poor expectoration, and flushing in the throat. Diagnosis as aphonia. To the top of the treatment, medication 1, deafness muted; after 2 doses, clear speech. After more than one year of follow-up,