The utility model provides a shallow bid head device with adjustable, including knitting machine, sliding tray, little coiled hair, coiled hair loop bar, slider retaining member and brake mechanism, the tip of knitting machine is provided with the support column, a side of sliding tray is fixed on the support column, the shallow bid headgear is located on the coiled hair loop bar, the one end of coiled hair loop bar is provided with a block, and the other end is provided with a sliding block, the sliding block sets up in the sliding tray, and locks the sliding block through the slider retaining member, brake mechanism sets up overheadly at the shallow bid, and comes to brake to little coiled hair through brake mechanism. The utility model discloses the advantage: can realize knitting the thickness with the limit of cloth through this shallow bid head device to improve the quality of cloth, simultaneously, still can adjust the position height of little coiled hair and realize carrying out quick replacement to little coiled hair according to the use needs, it be extremely convenient to use.