Medicinal Chemistry is an international Chinese periodical, including two papers on drug preparation, chemical structure and biological activity of drugs, and many papers: computer-aided drug design, quantitative structure-activity relationship research, drug synthesis methods, drug synthesis reaction research, the latest technology of drug synthesis process improver, separation and identification of natural products, and total synthesis research, sedative-hypnotic drugs and antiepileptic drugs, central stimulants and drugs for improving brain function, and so on.