A wristwatch smart buckle is disclosed. A wristwatch buckle (100), which fastens two wrist bands (2)(3) by being connected to each of end parts of the two wrist bands (2)(3) respectively connected to both sides of a wristwatch (1), comprises a fastening body (110) connected to each of the end parts of the two wrist bands (2)(3), and a smart main body (120) provided to the fastening body (110), wherein the smart main body (120) comprises: a control unit (121)； a short-range transmission and reception unit (122), electrically connected to the control unit (121), for performing transmission and reception with a smartphone； a vibration unit (123) electrically connected to the control unit (121)； an LED display unit (124) electrically connected to the control unit (121) and having an LED display lamp (124a) exposed toward the outside of the smart main body (120)； a message reception unit (125) electrically connected to the control unit (121) such that when the smartphone receives a text message or an SNS message by the short-range transmission and reception unit (122), the reception thereof is informed by using vibrations caused by the vibration unit (123) or by using light emission caused by the LED display lamp (124a) of the LED display unit (124)； a power supply unit (126) electrically connected to the control unit (121)； and a charging unit (127) electrically connected to the power supply unit (126).L'invention concerne une boucle intelligente pour montre-bracelet. Une boucle (100) de montre-bracelet, qui fixe deux parties (2), (3) de bracelet en étant reliée à chacune des parties d'extrémité des deux parties (2), (3) de bracelet respectivement reliées aux deux côtés d'une montre-bracelet (1), comprend un corps de fixation (110) relié à chacune des parties d'extrémité des deux parties (2), (3) de bracelet et un corps principal intelligent (120) disposé sur le corps de fixation (110), le corps principal intelligent (120) comprenant : une unité de commande (121) ； une
