The leaves of lilac flower are medicinal, bitter in taste, cold in nature, and have the effect of clearing away heat and drying dampness. They are often used to stop diarrhea among the people.

The solution made from fresh lilac leaves has been tested in vitro against Shigella freundii and has a strong effect. It is economical and easy to promote when used to prevent and treat bacillary dysentery. Using lilac leaves to treat acute jaundice hepatitis has a short course of treatment and significant anti-jaundice effect.

Lilac blooms in spring and is fragrant. It is an evergreen flower that is extremely popular for ornamental, edible and medicinal purposes. Blooms in spring, purple, with dense flowers in panicles and strong fragrance. Because the lilac flowers are small and delicate, and the flower tube is slightly long, it gives people the feeling that they have not exhausted their desires.