Shading net, also known as shading net, is a new generation of special protective materials such as agriculture, fishery, animal husbandry, wind, and men, which have been popularized and applied in the past 10 years. After covering the summer, it has the effect of shading, rain, moisture and heat dissipation. After being covered in winter and spring, it also has a certain heat preservation and humidification effect. At present, there are two kinds of materials for the production of reclaimed nets on the market, one is high-density polyethylene, a chemical product, and the other is the recovery of old shading nets or plastic products. The sunshade net made of recycled materials is not only low in finish, soft and hard to the touch, pungent, and has a short life span of only one and a half years, but the sunshade net made of high-density polyethylene is durable, up to 3 to 4 years Service life.