Hot air bonding non-woven bottom film process can better breathe and effectively relieve stuffy heat. It is a production method that uses hot air on drying equipment to penetrate the fiber web to melt it by heat and produce bonding, so that the diaper base film has the characteristics of high fluffiness, good elasticity, soft hand feeling, strong warmth and breathability, etc. And these hot air bonded products are also widely used in the production of baby diapers, adult incontinence pads and other disposable products or feminine hygiene cloths because of their unique style.