Name of Formula: zi wan san （source: Qian Jin Fang)

Application: For chronic coughing nonstop.

Composition: zi wan 90 g, kuan dong hua 90 g.

Make into coarse powder.

Dosage: 9 g,  add sheng jiang 3 g. Boil with about 350 c.c. of water. Simmer down to 60% of a cup. Strain and take it while warm. Take 3 to 4 times a day. [1] 藥方名：紫菀散 《 千金方，原出太平聖惠方 》

主治：久嗽不止。

組成:  紫菀三兩，款冬花三兩。

上藥搗為粗末。

服法：每服三錢，以水一中盞，入生薑一錢，煎至六分，去滓溫服，日三、四服。

另看肺虛勞嗽: 百花膏