Trichosanthes kirilowii is a perennial climbing herb of Cucurbitaceae, and its length can reach 10 meter. Dioecious; There are several racemes of male flowers, few of which are solitary. The corolla lobes are obovate, and the female flowers are solitary. The ovary is ovoid, the fruit is nearly spherical, orange-red when ripe, and the flowering and fruiting period is 7- 1 1 month.
Trichosanthes kirilowii is distributed in Liaoning, North China, East China, Central South, Shaanxi, Gansu, Sichuan, Guizhou and Yunnan in China. Born at an altitude of 200- 1800 meters in hillside forests, bushes, grasslands and fields beside villages. Because this species is traditional Chinese medicine Trichosanthes and Trichosanthes kirilowii, it is widely cultivated in its natural distribution area and outside. Distributed in Korea, Japan, Vietnam and Laos.