1 has different functions. Sweet potato vine, also known as sweet potato vine, has the functions of clearing away heat and toxic materials, relieving swelling and pain, astringing blood and regulating menstruation, and has the functions of treating various diseases such as poisonous snake bite, carbuncle, vomiting and diarrhea, bloody stool and so on. Rattan is used for cough due to lung heat, dysentery, edema, jaundice, dyspepsia in children and rheumatism.

2. Different shapes. The stems of floor rattan are cylindrical, some are slightly flat and twisted, with different lengths and diameters of 0.3-4 cm; The surface is brown and rough, scattered in punctate lenticels. Sweet potato vines are the roots and leaves of sweet potatoes. The common leaves are chicken feet, five feet and hearts, and the petiole colors are cyan, green and purple.