Harvest in autumn, peel and remove impurities, slice and dry. The roots and flowers of this species are used as antipyretic and analgesic drugs, mainly for the treatment of laryngeal obstruction, strain and so on. Roots are mainly used for traumatic pulmonary tuberculosis; Flowers are mainly used for milk moths. The stem of Akebia manshuriensis is used as medicine. It is excavated in spring and autumn to remove impurities such as coarse sediment, dried or sliced when fresh. This product is slender and cylindrical, twisted, with yellow-brown or yellow-brown surface, ridges and longitudinal grooves, swollen joints, leaf marks and lateral branch marks, with a diameter of 3.5-6.5 cm; Most of the epidermis of the decoction pieces has fallen off and the edges are irregular. The remaining skin is yellowish brown, the wood is light brown, broad, densely covered with small holes, and the pith is small, with occasional cavities and yellow-white radial textures and cracks. Hard texture, unbreakable, slightly odorless and light in taste. China Pharmacopoeia listed this plant as the first provenance of Akebia manshuriensis, and Clematis Montana, which belongs to this species, was also listed in China Pharmacopoeia, which is one of the legal original plant provenance species. Traditional experience thinks that the ones with thick stripes and yellow-white cross section are better, which are easily confused with the original plant source of Akebia manshuriensis-Akebia manshuriensis. Aristolochia contains aristolochic acid, which can cause tubular necrosis, chronic or acute renal failure and urethral carcinoma's disease if taken in large quantities for a long time. Therefore, the Hong Kong Department of Health notified it to stop using it in 2004.