通宣理肺丸为解表散寒、宣肺止咳的法定药,其中苦杏仁为处方中止咳平喘的重要组成。中国药典(1990年版和1985年版)以其分解产物氢氰酸为指标,用苦味酸试纸法进行鉴别。近年来,在检验不少厂家生产的通宣理肺丸中.苦杏仁的氢氰酸鉴别常呈阴性。针对这一问题,我们从该药所用苦杏仁原料和生产工艺两方面进行了探讨。 Tong Xuan Li Fei Pill is a prescribed drug for relieving symptoms of cold and dispelling cold and suppressing cough, and bitter almond is an important component of the prescription for relieving cough and asthma. The Chinese Pharmacopoeia (1990 edition and 1985 edition) uses its decomposition product, hydrocyanic acid, as an indicator, and is identified by the picric acid test paper method. In recent years, in the inspection of many manufacturers of Tongxuan Lifei Pills, bitter almonds often have negative hydrogen cyanide identification. In response to this problem, we discussed the aspects of raw materials and production techniques of bitter almonds used in the drug.