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Bio-based polyamides are environment-friendly polymers. The precursors of bio-based polyamides come from bio-based materials such as castor oil, glucose and animal oil. Bio-based polyamides precursors include bio-based amino acids, bio-based lactams, bio-based diprotic acid and bio-based diamines. In this paper, we discussed the route of the precursors of bio-based polyamides that come from bio-based materials. We discussed the properties of bio-based polyamides. Bio-based PA11and bio-based PA1010 are well-known bio-based polyamides; we discussed the origin materials of the precursors, the route of manufacturing bio-based PA11 and PA1010, and their modifications status. The variety, classification and commercial production of bio-based polyamides were described in details, as well as bio-based polyamides development in China.生物基聚酰胺是指制备聚酰胺的原料来源于生物质材料，生物基聚酰胺的原料主要有生物基氨基酸、生物基内酰胺、生物基二元酸、生物基二元胺等。本文论述了不同生物基原料的来源、制备方法以及相应的生物基聚酰胺的性能；重点论述了生物基聚酰胺PA11 和PA1010 的原料制备方法、合成方法以及改性研究进展；对生物基聚酰胺的种类、产业化研究现状进行了总结，并对我国生物基聚酰胺的发展提出建议。.