Hello! The medicinal effects are not the same. They are not the same, ruscus root is the root of a plant (ruscus) and rehmannia root is the root of a plant (reed). Reed root is also known as reed root, reed grass root. Taste and Function: Sweet in taste, cold in nature, belonging to the lung and stomach meridians. It has the functions of clearing heat and generating fluids, removing vexation and stopping vomiting, and diuretic. Application: Heat disease, annoying thirst; stomach heat, vomiting and retching; lung heat, cough, carbuncle and pus; hot lymphatic astringent pain. Pharmacological effects: It has antipyretic, sedative, analgesic, hypotensive, hypoglycemic, antioxidant and estrogen-like effects, inhibitory effect on β-haemolytic streptococcus, containing coixenin has an inhibitory effect on the skeletal muscle, and cloverlein has a relaxing effect on the intestinal canal.