may refer to Western classic four elements or Wu xing五行, classical five elements in Chinese herbal medicine.
| Humour體液 | Season季節 | Element | Organ | Qualities性質 | Ancient name | Temperament氣質 | Temperament氣質 characteristics特徵 |
| Blood血液 | spring春 | air四大元素風 | heart心臟 | warm溫暖 and moist潮濕 | sanguis | sanguine滿懷希望的 | courageous勇敢, hopeful滿懷希望的, playful愛玩, carefree沒有擔憂 |
| Yellow bile黃膽汁 | summer夏天 | fire四大元素火 | liver肝臟 | warm溫暖 and dry乾燥 | kholé | choleric易怒:同中國肝火大 | ambitious有野心, leader-like, restless不安寧, easily angered容易生氣 |
| Black bile黑膽汁 | autumn秋天 | earth四大元素地 | spleen脾臟:壞脾氣,怨恨 | cold冷 and dry乾燥 | melas kholé (?) | melancholic憂鬱的 | despondent喪氣的, quiet安靜, analytical分析的, serious嚴肅的 |
| Phlegm痰 | winter冬天 | water四大元素水 | brain腦 | cold冷 and moist潮濕 | phlégma | phlegmatic粘液質的;冷漠的 | calm平靜的, thoughtful思考的;表達思想的;體貼的, patient有耐心的, peaceful平靜的 |