Improvement measures and synthesis processes of acetamidine hydrochloride from nitrile over acid catalysts were reviewed. Suggestions for the production and development of acetamidine hydrochloride in China were put forward.

• 摘要总结了乙腈酸催化法合成盐酸乙脒的工艺改进措施，介绍了?A催化法是合成盐酸乙脒的工艺过程，提出了国内盐酸乙脒生产开发的建议。