A multi-directional smooth damper, comprising: a base comprising an inner cavity that is spherically-shaped, two ends of the inner cavity defining openings; a first rotating portion; and a second rotating portion; wherein a first end of the first rotating portion is rotated and disposed in the inner cavity of the base and a shape of the first end of the first rotating portion corresponds to a shape of the inner cavity of the base; a second end of the first rotating portion passes through an opening of one end of the inner cavity of the base; the first rotating portion is disposed at one end of the base having the opening and the inner cavity; a first end of the second rotating portion is rotated and disposed in an inner cavity of the first rotating portion and a shape of the inner cavity of the first rotating portion corresponds to the shape of the inner cavity of the base; a second end of the second rotating portion passes through the opening of one end of the inner cavity of the base away from the first rotating portion; characterized in that at least one grease groove is disposed on a surface of the inner cavity of the base; a grease layer is coated between a surface of the first rotating portion and the surface of the inner cavity of the base, and in that the base comprises an end cover having a through hole and sealingly connected with the opening of the one end of the inner cavity of the base; the base comprises a base body with a stepped and a convex shape; a sinking platform is disposed on the end cover, and is buckled and connected to a convex plate disposed on one end of the base body; the openings of the two ends of the inner cavity of the base have sealing rings to seal grease. a base comprising an inner cavity that is spherically-shaped, two ends of the inner cavity defining openings; a first rotating portion; and a second rotating portion; wherein a first end of the first rotating portion is rotated and disposed in the inner cavity of the base and a shape of the first end of the first rotating portion corresponds to a shape of the inner cavity of the base; a second end of the first rotating portion passes through an opening of one end of the inner cavity of the base; the first rotating portion is disposed at one end of the base having the opening and the inner cavity; a first end of the second rotating portion is rotated and disposed in an inner cavity of the first rotating portion and a shape of the inner cavity of the first rotating portion corresponds to the shape of the inner cavity of the base; a second end of the second rotating portion passes through the opening of one end of the inner cavity of the base away from the first rotating portion; characterized in that at least one grease groove is disposed on a surface of the inner cavity of the base; a grease layer is coated between a surface of the first rotating portion and the surface of the inner cavity of the base, and in that the base comprises an end cover having a through hole and sealingly connected with the opening of the one end of the inner cavity of the base; the base comprises a base body with a stepped and a convex shape; a sinking platform is disposed on the end cover, and is buckled and connected to a convex plate disposed on one end of the base body; the openings of the two ends of the inner cavity of the base have sealing rings to seal grease.