Abstract: There is a great demand in facilities agriculture for a sort of heat preservation quilt with good performance and long service lifetime. Though straw mat can be used to preserve heat and it is cheap, it is unwieldy, moisture sucking, polluting and putrescible. A new heat preservation quilt which is made of water-proof puffed PE material using double-side glueing-together technology is introduced in the paper. It has good performance of waterproof, heat preservation, and longevity of service. And its performance was tested and analyzed.