ABSTRACT:Zeqi Decoction is originated from Synopsis of Golden Chamber effective in curing cough and asthma due to phlegm and retained fluid,which has not received enough attention for a long time because of its simple description.Both ac-tion mechanism of this formula and its clinical practical value are revealed by analyzing the mechanism of cough and asthma due to phlegm and retained fluid as well as its clinical manifestation,herbal compatibility and Function characteristics.It is proved that Zeqi Decoction shares the similar function with Shizao Decoction,Kongxian Pill in draining water and removing phlegm. However,apart from mainly efficient in dispelling pathogens like activating yang,relieving retained fluid,lowering the adverse qi to stop cough,Zeqi Decoction is also able to support the healthy qi,making itself suitable to to treat cough and asthma due to phlegm-fluid lying latent in the lung or fluid retained in chest and hypochondrium.%泽漆汤出自《金匮要略》，是治疗痰饮咳喘的效方。然因其原文简短，致长期未得以足够重视。通过分析痰饮所致咳喘的机理与临证表现，泽漆汤证的病机、药物组成及功效特点并结合临床实践，揭示该方的作用机制及临床实用价值。认为泽漆汤与十枣汤、控涎丹皆可泄水祛痰，然泽漆汤化痰逐水，通阳消饮，降逆止咳，祛邪为主，扶正为辅，适宜于痰饮伏肺或饮停胸胁所致咳喘者。
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