Abstract: This article introduced the spinning materials and equipment,spinning and post-treatment processes and related key parameters of the durable water-repellent PP/PE heat-adhesive fiber.The water-repellent finishing principle and technique as well as the recipes were elucidated.The water repellency of the fiber produced according to the above processes was tested.The results showed that the fiber has been imparted good mechanical and heat-adhesive properties,and excellent durable water repellency.It will find wide applications in the medical and health-care field.