ài yè yóu yǒu wēn jīng sàn hán de gōng xiào, cháng yòng yú huǎn jiě guān jié téng tòng.

艾叶油有温经散寒的功效，常用于缓解关节疼痛。

Mugwort leaf oil has the effect of warming the meridians and dispersing cold, and is often used to relieve joint pain.