Why would traditional Chinese medicine use clay pot to boil herbs?
These day people don’t exactly use clay pot to boil herbs, due to the fact that clay pot is not commonly used. But tradition has its own point. First, the effects of herbs are only documented in the condition of using clay pot. Secondly, it has its theoretical bases. According to Five Element theory, clay is earth, herbs are wood. Earth is the element conducive to all other elements like metal, wood, fire, and water, as earth is the mother land to grow everything, especially herbs. Therefore, herbs are considered getting along well with clay the most. Nevertheless this opinion is more of the spiritual and holistic domain, readers are advised to weigh between practicality and spirituality.