The invention relates to a stable-running track guide device. The stable-running track guide device comprises a guide rail piece (9) and a sliding component base (8), wherein the sliding component base (8) is in sliding fit with the guide rail piece (9) and is used for being fixedly connected with a sliding component; the guide rail piece (9) comprises a casing which is provided with an upper side wall (91) and a bottom wall (92), so that a guide rail sliding cavity (90) is defined between the upper side wall (91) and the bottom wall (92); the sliding component base (8) is provided with a sliding joint seat (81) and a connecting neck part, wherein the sliding joint seat (81) is arranged in the guide rail sliding cavity (90) in a matching manner; the connecting neck part is integrally connected with the sliding joint seat (81), extends upwards from a guide rail longitudinal groove in the upper side wall (91), and is used for being fixedly connected with the sliding component; protecting band positioning flanges (911) are arranged on the upper side wall (91) in an extending manner in the direction towards the guide rail longitudinal groove, and are used for being partly overlapped with an elastic protecting band (7) so as to realize limitation, wherein the elastic protecting band (7) longitudinally extends into the guide rail longitudinal groove and is used for enclosing the guide rail sliding cavity (90).