Connection method for fastening seat belt in car

The invention discloses a connection method for fastening a seat belt in a car. The seat belt comprises a buckle and a fabric belt, wherein a connection assembly is arranged between the buckle and thefabric belt; the connection assembly comprises a connection belt, a fixing ring, a position-limiting rod and a connection frame; the fixing ring is provided with through holes; the connection belt isprovided with two position-limiting holes; the outer wall of the connection frame is connected to the buckle; one end of the connection belt is connected to the fabric belt; the other end of the connection belt runs through a center hole of the fixing ring and the inside of the connection frame and then runs through the center hole of the fixing ring again; and one end of the position-limiting rod sequentially runs through one of the through holes, the two position-limiting holes on the connecting belt and the other one of the through holes. When the buckle needs to be dismounted, firstly theposition-limiting rod is r