Vietnam is known as one of the world’s top cashew capitals. In Binh Phuoc province alone, the current cashew area is about 170,000 hectares, with an output of 243,000 tons/year. However, most of the wastes from the Vietnam cashew industry are disposed of, causing great harm to the environment. To reduce waste Currently in Vietnam has turned cashew waste into many useful products. The Waste From Cashew Industry Up to now, almost everyone thinks that the only cashew nuts kernel are a valuable thing of the cashew tree, this is a part of which Vietnam exports a lot. The rest such as cashew nut, cashew shell, cashew silk shell … are considered as a waste of the cashew industry which is discarded without value. Therefore, at present in Vietnam, the by-products from the cashew industry are being wasted a lot, this not only affects directly the profitability of cashew growing businesses but also such as cashew nut shells containing oil acidic, their disposal or filling will be very harmfu