To provide a handle for a harness of an auxiliary dog which can appreciate the existence of an assisting dog and a physically handicapped person sufficiently on a road with poor lighting at night or the like.SOLUTION: An annular locking member 3 is connected to the tip of a pair of rod-shaped portions 2 extending from both ends of a grip portion 1, and by means of this locking device 3 it can be attached to and detached from a harness 4 attached to a guide dog C, A handle A for a harness of an auxiliary dog having a light-storing coating layer 5 containing a phosphorescent pigment having a particle size of 20 to 300 m is coated on the part 2 so as to cover the whole surface thereof.(FIG.【課題】補助犬および身体障害者の存在を、夜間の照明の乏しい路上等で充分にアピールし、視認できる補助犬のハーネス用ハンドルを提供する。【解決手段】把持部1の両端から延びる一対の棒状部2の先端に環状の係止具3を連結し、この係止具3によって盲導犬Cに装着されたハーネス4に着脱可能であり、棒状部2に、その全表面を覆うように粒径20~300μmの蓄光性顔料を含有する蓄光性塗膜層5が塗装されている補助犬のハーネス用ハンドルAとする。【選択図】図1