Sliding mechanism and hidden handle with same

The invention discloses a sliding mechanism and a hidden handle with the sliding mechanism, the sliding mechanism comprises a movable arm, the end part of the movable arm is provided with a fixed rail guide rod and a variable rail guide rod which are spaced, and the variable rail guide rod can elastically deform relative to the fixed rail guide rod; a fixed guide rail groove used for being in sliding fit with the fixed rail guide rod and a variable guide rail groove used for being in sliding fit with the variable rail guide rod are formed in the movable box, and the variable guide rail groove comprises a lift guide rail groove, a movable guide rail groove and a return guide rail groove which are sequentially connected to form an annular closed groove; the movable box is constructed to be an orbital transfer guide rod which is suitable for being elastically kept in the movable guide rail groove and restores to the initial position under the action of the inner wall of the lift guide rail groove or the inner wa