The utility model relates to an integrated form quick -operation joint is used in LNG filling, which comprises a male joint and a female joint, public head sets up the public head valve core at publichead capsule body cavity body front end including the public head capsule body with sliding, at the fixed spring holder that is provided with of the public head capsule body cavity body at the rear that is arranged in public head valve core, be provided with public first reset spring between public head valve core and spring holder, the cover is equipped with public first radiation shield casingon the lateral wall of public head capsule body front end, be provided with a plurality of rollers along circumference on the inside wall of the first radiation shield casing front end of public affairs, be provided with public first flange in the rear portion rotation of the public head capsule body cavity body, female head is including female head back casing with through sending the female first procapsid of disconnected bolt fixed connection at female head back casing front end, be provided with a plurality ofly and roller matched with spiral guide slot on the casing of female head back, slide and be provided with female head valve core in the rear end of female first procapsid cavity, the front end of female first procapsid cavity is provided with female first flange, be provided withfemale first reset spring between female head valve core and female first flange.