A bio-degradable composition comprising cellulose, a manufacturing method for the same, and a water-proof agnet and goods using the same

The present invention relates to a bio-degradable composition including water, pulp, and cellulose pulverized (isolated) to have a diameter of 300um to 1nm, a method for producing the same, and a molded product using the same. The molded product produced using the bio-degradable composition of the present invention has a waterproofing function for a particular period of time and has excellent strength. When discarded, the same is bio-degraded to not affect the natural environment.