The present invention provides a planar coronary stent that comprises a plurality of line ribs, and these line ribs are designed with a configuration for not overlapping with each other. The side edge of the planar coronary stent comprises at least one auxiliary line rib for connecting the line ribs. The major manufacturing method is to carry out a precision stamping operation with a stamping die. Thus, the present invention may enhance the product yield, is suitable for mass production, reduce manufacturing time, and effectively lower the manufacturing cost to further reduce the expense of using coronary stent and benefit more patients.
