PURPOSE: To obtain a jetting nozzle for jet dyeing machine capable of previously preventing occurrence of unevenness of dyeing or fixed crease by providing a guide groove directing to the central shaft of a transfer pipe at a prescribed interval in the clearance for jetting a treating solution.

CONSTITUTION: In this jetting nozzle in a jet dyeing machine, plural guide grooves 16 directing to center shaft of a transfer pipe are formed at prescribed intervals in the clearance 15 for jetting a treating solution of a jetting nozzle 11 arranged at the top of the transfer pipe connected to boty ends of a dyeing tank and jetting the treating solution to drive the fabric and circulate the fabric between the dyeing tank and the transfer pipe. Thereby, the treating solution is uniformly jetted.