This machine is a precise cover equipment, including automatic feeding, nose thread insertion, cutting, hemming, edge wrapping, ultrasonic welding and slicing, with high output. This machine is a machine for producing flat-eared masks. The flat-eared masks are made of soft PP material, and the nose clip design can be adjusted most comfortably according to different face types. It is designed for people's health, to prevent some substances harmful to the human body from filtering visible or invisible substances, so as not to bring unnecessary influence to the human body. When respiratory infection is prevalent, it plays a very good role in working when dust and other environmental pollution occur.