The invention discloses an environment-friendly vertical drain adaptable to high-clay-content newly-dredged silt foundation. The environment-friendly vertical drain is characterized by comprising a core and an inverted filter layer wrapping outside the core; the inverted filter layer is made of processed environment-friendly material; the body of the core can be made of 1, environment-friendly material or 2, mixture of environment-friendly material with natural granular material with good permeability or industrial waste with good permeability or 3, mixture of environment-friendly material with a plurality of plastic pipe materials; the ring stiffness of the plastic pipe materials is larger than 15kN/m2, pipe wall aperture ratio is above 50%, and the plastic pipe materials are the same with the core body in length. The environment-friendly material is plant coarse fibrous material which is self-degradable, gelatinous, porous and well permeable.