The invention relates to easily-degradable and environment-friendly nylon which comprises the following components in parts by weight: 40-70 parts of polyamide fibers, 3-8 parts of an interface coupling agent, 3-10 parts of a toughening agent, 0.5-1.0 part of a disperse lubricating agent, 5-10 parts of hydroxypropyl cellulose and 10-15 parts of polypropylene. The easily-degradable and environment-friendly nylon is excellent in easily-degradable and environment-friendly properties and can be widely used for manufacturing auto parts in the automobile industry, parts in the household appliance industry, parts in the building decoration industry, daily necessities such as safety helmets, motorcycle baffles, shoe heels, snow sports products, toys, clocks, sound box shells, suitcases, buttons and cosmetic boxes, and advertisement products such as nameplates and decorations.