In the paper,the main methods and results of the hemicellulose structure study are viewed.The advantages and disadvantages of each method are compared.The application of the methylation method,periodate oxidation,fourier transform infrared technique(FTIR),nuclear magnetic resonance(NMR) and atomic force microscopy(AFM) in structure analysis are presented.The studies of hemicellulose structure are summarized,including summary structure and advanced structure.Several important hemicellulose modified products ...