The present invention provides a fastener chain, in which fastener elements (2) each formed into a single unit of synthetic resin are attached at a constant interval along opposing side edges (6) of apair of fastener tapes (4), a front surface portion (7) and a rear surface portion (8) are provided on the front and rear sides of the fastener element (2), the surface of the front surface portion (7) is formed into a curved face (13) entirely swelling out circularly and upward while the rear surface portion (8) is formed into a flat plane (14) which is entirely even, and the front surface and the rear surface of the fastener element (2) may have different shapes or the same shape so as to secure a fastener chain having an excellent tactile feel and beautiful appearance.