Waterborne polyurethane resin is an environmentally friendly resin that can be used not only to produce wet bass, but also to directly produce bass using dry direct coating technology, enriching the production process of bass. The water-based microfiber leather and synthetic microfiber leather produced by impregnation process can be widely used in high-end products such as automobiles.Water based polyurethane resin is suitable for the production of various synthetic leather and fabric coatings such as clothing, luggage, and shoe leather, due to its environmentally friendly and clean production characteristics. It has been widely used in high-end fields such as clothing, food, housing, transportation, automobiles, and aviation, providing more possibilities for the healthy development of social environmental protection and playing a positive role in promoting it.