The book is divided into two volumes and 25 chapters. The first volume includes organic structure theory and organic reaction equation; Alkanes and cycloalkanes; Stereochemistry; Mass spectrometry analysis; Olefin, ultraviolet-visible absorption spectrum and infrared absorption spectrum; Alkynes; Nuclear magnetic resonance spectrum; Benzene aromatic compounds and aromaticity; Chemical reaction of benzene; Heterocyclic compounds; Halogenated hydrocarbons; Alcohol and phenol chapter. The second volume includes ethers and epoxides; Aldehydes and ketones; Carboxylic acid; Carboxylic acid derivatives; Nitrogen-containing compounds; Pericyclic reaction; Sugar; Amino acids, peptides and protein; Nucleic acid; Lipid compounds; Metabolic organic chemistry and organic synthesis design. There are exercises in each chapter, and references to organic reactions and reactions in organic synthesis are attached to the book. At the end of the book, there is an index of subject words, names in western languages (Chinese), symbols and abbreviations in western languages, NMR spectra of organic compounds and characteristic absorption peaks of NMR spectra.