1. The use of the herb Gelsemium elegans Benth. flowers and medicinal plant Datura metel L. during manufacture of a medicament for eliminating or alleviating the withdrawal symptoms of acute and long-term symptoms caused addictive substances, in a subject in need thereof, to eliminate or reduce in said subject desires to receive addictive substances, and to prevent re-use of said subject addictive substances, where the medicinal plant Gelsemium elegans Benth., and Datura metel L. flowers are used in the form of their commodity material or in the form of extract of raw materiala.2. Use according to claim 1, wherein the mass ratio of raw material Gelsemium elegans Benth. to Datura metel L. flowers weight of the raw material is from 2: 1 to 6: 1.3. Use according to claim 1 or 2, where Gelsemium elegans Benth., And Datura metel L. flowers are used in the form of extract of raw materials, and said extract Gelsemium elegans Benth. was prepared as follows: extracting coarse powders Gelsemium elegans Benth. ethanol once or more times, combining the extracts, filtering, concentrating the filtrate until a thick paste extracting the residue with water one or more times, combining the extracts, filtering, concentrating the filtrate until a thick paste and then combining said thick paste for use and said extract of flowers Datura metel L. prepared as follows: extracting coarse powders flowers Datura metel L. with water one or more times, combining the extracts, filtering, concentrating the filtrate until a thick paste or extracting coarse powders flowers Datura metel L. ethanol one or more times, combining the extracts, filtering1. Применение лекарственного растения Gelsemium elegans Benth. и цветков лекарственного растения Datura metel L. при изготовлении лекарственного средства для устранения или облегчения острых симптомов отмены и длительных симптомов, обусловленных веществом, вызывающим зависимость, у субъекта, нуждающегося в этом, для устранения или уменьшения у указанного