Dissoluble environmental protection plastic additive can change ingredient structure only without any influence on plastic molecular structure. Decomposition media are water, fire, bacterium and sunlight. Without these decomposition media, the product is totally as same as plastic product. Therefore it only has plastic’s advantages. It can replace disposable plastic bags and related products and reach food level safety. It is easily to be incinerated and does not produce toxic gas, fly ash and bottom ash. It has better air permeability and electrical resistance. The product has no pollution and secondary pollution in operating process. After being dropped for 60 to 90 days, it will begin to resolve. The raw material of this is amylum, which is with full resource and dose not produce resource exhausting. The product can be used for the production of vest bag, blown bottle, garbage bag, disposable utensils, ordinary consumption goods, industrial packing bags and other category products.