The preparation methods of dialdehyde starch were introduced; with its applications in paper making, textile and etc. The advantages and the shortcomings of these preparation methods were discussed.

• 摘要介绍双醛淀粉的制备工艺，对各种制备工艺的优缺点进行了比较，并介绍双醛淀粉在造纸、纺织等行业中应用。