The pinyin of mugwort is: àiháo.

Mugwort (àiháo) refers to a herbaceous plant, belonging to the Asteraceae family, with the scientific name Artemisia argyi. It is a common Chinese medicinal material and is also widely used in traditional Chinese medicine treatments. In Chinese, "Ai" and "Artemisia" are the two parts of the plant, with Ai referring to the species and Artemisia the name of the plant.

Mugwort usually grows in temperate and boreal regions and is a perennial plant. Its characteristics are that the plant height is generally about 1-2 meters, the leaves are pinnately compound, and the flowers are small and yellow-green. The leaves of mugwort have a strong aroma, which is often used for insect repellent, sterilization and health care purposes. The leaves of mugwort are often used in traditional Chinese medicine treatments, and they are also one of the common materials used in moxibustion.

Mugwort has a long history in traditional Chinese medicine and is used to treat various diseases. Mugwort is believed to have the effects of warming the meridians and dispersing cold, driving away cold and dampness, activating blood circulation and relieving pain. In traditional Chinese medicine theory, mugwort is used to treat diseases such as cold-dampness arthralgia, irregular menstruation, and postpartum cold. In addition, mugwort is also used to make moxibustion, a traditional Chinese medicine method that uses burning moxa sticks on specific acupuncture points to generate heat and is used to treat various diseases.

In Chinese culture, mugwort is often associated with some traditional festivals and ceremonies. For example, on the fifth day of the fifth lunar month in China, people will make mugwort bags from mugwort and put them at home or wear them on their bodies to ward off plague and evil spirits. This custom has a long history and has profound cultural connotation.

In general, mugwort, as a traditional Chinese medicinal material, has rich medical and cultural value. Its application in the field of traditional Chinese medicine and its status in traditional culture make it a shining pearl in Chinese culture.