The present invention is a band portion hook is formed at one end； A first fixing part provided to be caught by the hook after the band part is folded in one direction such that the hook faces outward； A first fastening part inserted into a folded space of the band part provided with the first fixing part； A second fixing part provided at the end of the folded part by folding the band part in one direction by adjusting the length of the band part so as to fit the other end opposite to one end of the band part having the hook formed around the neck of the pet animal； The second fastening part is inserted into the folded space of the band provided with the second fixing part, the second fastening part formed in a shape corresponding to the first fastening part； 2 Fastening part is connected by using a fixing part, and by adjusting the length of the neckline, there is no need for a hole for fixing and coupling, there is an effect that can prevent the elongation and breakage occurring in the hole. In addition, the second fixing part is combined with the band portion by the intermediate fitting, and the effect of easily adjusting the length of the collar, and there is no hole for the adjustment of the collar, so that it fits around the neck of a small pet or a pet in infancy The effect of adjusting the length of the neck is effective. In addition, the material of the band portion is made of silicone or rubber material has the effect of improving the fit of the pet. In addition, it is easy to wear a collar on the pet using a fastening device of the one-touch fastening unit.본 발명은 일측 종단부에 후크가 형성된 밴드부； 후크가 외부를 향하도록 밴드부를 일방향으로 접은 후, 후크에 걸리도록 구비되는 제 1 고정부； 제 1 고정부가 구비된 밴드부의 접힌 공간에 삽입되는 제 1 체결부； 후크가 형성된 밴드부의 일측 종단과 대향되는 타측을 애완용 동물의 목 둘레에 맞도록 밴드부의 길이를 조절하여 밴드부를 일방향으로 접은 후 접힌 부분의 종단부에 구비되는 제 2 고정부； 제 2 고정부가 구비된 밴드부의 접힌 공간에 삽입되고, 제 1 체결부에 대응되는 형상으로 이루어진 제 2 체결부；를 포함하는 것을 특징으로 하는 애완동물용 목줄을 구현한바, 제 1 고정부 및 제 2 고정부를 이용하여 체결부를 연결하고, 목줄의 길이를 조절함으로써 고정 및 결합을 위한 구멍이 필요 없기 때문에 구멍부에서 발생하는
