The safety buckle comprises a female buckle, a first male buckle and a second male buckle, and a positioning hole is arranged on the male buckle, and the female buckle includes a female buckle base, a first spring, a second spring, a first slider, a second Slider, claw buckle, pushing shaft, third spring, fourth spring and push button, when the first male buckle and the second male buckle are inserted into the female buckle at the same time, the first slider and the second slider are on the first male buckle and the second male buckle are pushed down and slide apart, the positioning holes of the first male buckle and the second male buckle are located directly below the claws of the claw buckle, so that the claws of the claw buckle snap into the positioning hole and lock the safety buckle; when pushed When the button is pushed, the push button pushes the upturned part of the claw buckle to make the claw buckle rotate, and the claw of the claw buckle escapes from the positioning holes of the first male buckle and the second male buckle to unlock the safety buckle. The push button, push shaft and claw buckle of the present invention are ingeniously arranged, which can not only prevent the male buckle from loosening, greatly strengthen the connection firmness of the male buckle and the female buckle, but also reduce the load opening force of the safety buckle, which is conducive to quick release and safety. The buckle is very practical and safe to use.