Illicium verum, also known as fennel tree, belongs to Magnoliaceae, a small evergreen tree with fragrant lanceolate to rectangular leaves. The flowers are white, axillary and leafy, and the fruit has 8-9 basic bony processes, which are star-shaped and reddish-brown, containing a seed. Illicium verum is drought-resistant and frost-resistant, and the temperature dropped to MINUS 3 degrees Celsius without freezing to death. Most hilly and mountainous areas such as western Guangdong and northern Guangdong in our province have a warm climate and abundant rainfall, which is a superior environment for the growth of Illicium verum. The fruit of Illicium verum has a strong aroma, which can be used for flavoring, extracting spices and medicine after crushing.