There is no authoritative research showing that Shouwu vine has damage to the liver and kidneys. Shouwu Vine is the dried vine stem of Polygonum multiflorum, sweet in taste, flat in nature, attributed to the heart and liver meridians. It has the effect of nourishing blood and tranquilizing the mind, dispelling wind and clearing the channels. If there is insomnia and dreaminess, blood deficiency and body pain, rheumatism and paralysis, skin itching, this product can be used to treat or improve the disease. The contraindications and adverse effects of Shouwu Teng are not clear, and there are no authoritative studies indicating that Shouwu Teng can damage the liver and kidneys. Shouwu Teng as a Chinese medicine, in order to properly play the efficacy of Shouwu Teng, as well as to avoid the problem of improper use of medication, it is recommended that the use of Shouwu Teng under the guidance of a professional Chinese medicine practitioner, should not be unauthorized blind use.