1. Topics Climatic pathogenic factors The functions of the lungs Four natures and five flavours of Chinese medicinal herbs Prevention and management of invasion of lungs by climatic pathogenic factors

2. Climatic pathogenic factors Wind Cold Summer-heat Dampness dryness Fire

3. The functions of the lungs Govern Qi and respiration Control channels and blood vessels Control dispersing and descending Regulate water passage Control skin and hair Open into the nose

4. Four natures of Chinese medicinal herbs Four natures: cold, cool, warm, hot -Cold-cool : clear way heat purge fire eliminate toxic material -warm –hot: expel cold restore Yang

5. Five flavours of Chinese medicinal herbs Pungent- disperse, promote circulation of Qi and Blood Sweet - nourish, harmonize and moisten sour -absorb, consolidate and astringent bitter -dry and resolve dampness, pursing and lowering Salty - soften hard nodes or masses, promote defecation

6. Prevention and management of Wind-Cold Ginger, cinnamon twig, coriander, leeks Early stage-Jingfangbaidu San Middle stage-Sanao Tang and zhisou San Late stage- Manhuang Tang

7. Prevention and management of Wind-Heat Peppermint, chrysanthemum flower, mulberry leave, kudzu, duckweed Early stage- Sanju Yin Late stage- Yinqiao San

8. Prevention and management of Wind-Water Ginger, cinnamon twig, coriander, leeks. White gourd, adzuki bean, coix seed, poria Yuebijiazhu Tang