1, different families: Piper kadsura belongs to Piperaceae, Celastrus belongs to Amaranthaceae.
2. Different genera: Caulis Kadsurae, Caulis Cynanchi Achyranthis Bidentata.
3. Different distribution areas: Piper kadsura is distributed in Guangdong, Fujian, Taiwan Province and Zhejiang, and Celastrus orbiculatus is distributed in Guangxi, Guangdong, Sichuan, Yunnan and Henan. Br>4. Indications for different functions: Caulis Piperis is used for arthralgia due to wind-cold-dampness, joint pain, muscle contracture, and unfavorable flexion and extension. Huainiuteng tonifies liver and kidney, strengthens bones and muscles, removes blood stasis and dredge collaterals, and discharges blood. Used for hyperactivity of liver yang, soreness of waist and knees, weakness of muscles and bones, amenorrhea and dizziness.