Rana chensinensis is mainly distributed in the Changbai Mountain area, China. Ranae Oviductus is the dried oviduct of female Rana temporaria chensinensis David. The Ranae Oviductus is a potent traditional Chinese medicine that has been used in clinical studies for thousands of years. Today it is widely used as a nutrient food. It has been reported that Ranae Oviductus has significant effects in enhancing immunity, anti-fatigue, anti-aging, and lowering blood fat.