Donggulle is a perennial herb that grows in mountains and fields around Korea. The growing environment grows in sunny or semi-split areas. Its height is 30 to 60 centimeters, its leaves are 5 to 10 centimeters long and 2 to 5 centimeters wide, spreading out on one side and resembling bamboo leaves. The flowers are white and run one or two from the middle part of the stem on the leafy tree, and are 1.5 to 2 centimeters long, white at the bottom and green at the top. The fruit runs black around September and October. Used for physiognomy, young shoots for food, and underground stems for food or medicine. The parts used for medicine are stems and roots. As I mentioned above, the name of medicine is Okjuk and dongulle is as follows. The most popular effects are waste, heart failure, fatigue, diabetes, aging, blood circulation, headache, dizziness, recovery, insomnia, and so on. Many people enjoy drinking tea. The most vulnerable time is from the end of November to the beginning of February, and it is effective to smell in the late fall when cold winds begin to blow.It is also helpful to drink lightly and lightly tea every day rather than taking it as a medicine. Most of them may not be difficult to smell in the mountains and fields, but they are also precious in some areas. ​