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The basic structure,types,properties and future research directions of polyamide thermoplastic elastomer are reviewed,and the synthesis method of polyamide thermoplastic elastomer is emphasized. The synthetic methods of polyamide thermoplastic elastomers mainly include the following: dibasic acid synthesis method, isocyanate synthesis method, anionic polymerization synthesis method, one-step synthesis method, transesterification method, dynamic vulcanization process. For each synthesis method, the existing problems are explained separately, and solutions to the corresponding problems are proposed. As a new type of thermoplastic elastomer, polyamide elastomer has excellent physical and chemical properties, such as good flexibility, high tensile strength, high low-temperature impact resistance, chemical resistance and weather resistance, and easy processing molding, applicable to various fields, is a major mainstream of thermoplastic elastomers in the future. At present, my country's demand for polyamide elastomers is increasing year by year,but the domestic industrialization of the elastomers has not yet been popularized. Therefore, it is of great value to develop a green, environmentally friendly and industrialized synthetic process in the future. [ABSTRACT FROM AUTHOR]