The invention discloses a salt compound formed through the aceclofenac and the organic base and the assemblage and the use. The general formula of the salt compound is AxR mH2O; wherein, A is the aceclofenac (CAS RN: 89796-99-6) and x is 1, 2; R is nitrogen organic base and can be amine and basic amino acid. The amine is most suitable for being selected from the Meglumine and trometamol; the basic amino acid is most suitable for being selected from the Arginine, Lysine, Ornithine, Histidine and Citrulline. The spatial configurations of the amino acids include the DL type, D type, L type and optimized L type; m is 0, 1, 2, 3, 4, 5 and 6. The compound and the assemblage to which the invention relates can be applied to the diseases such as the inflammation and pain, sprain, pull, and other soft tissue injuries and fever, etc., caused by the rheumatoid arthritis, rheumatoid arthritis, osteoarthritis, spondylitis, etc. of the human beings or animals.