Polyolefin hot melt adhesive is a new type of adhesive, which has good adhesion to polypropylene, polyethylene or low surface energy materials. It is featured with light color, low odor, good inittal adhesion, water resistance, aging resistance, high temperature carbonization resistance, small density and easy to use (can be rolled, sprayed, striped, coated), fast curing at room temperature, etc. It can be applied to automotive, textile, home building materials, books, packaging and other industries.