Overwater emergency rescue necklace

The utility model discloses an overwater emergency rescue necklace, which comprises a circular inflatable floating body, plastic hoses connected to two ends of the circular floating body, a gas quick generator arranged between the plastic hoses, a control pull ring arranged on the gas quick generator, handrail bands arranged on two sides of the floating body, and an air exhaust hole formed in the upper front end of the floating body, wherein a rubber sealing plug is arranged on the air exhaust hole. By the handrail bands on the two sides of the floating body, a user can extend into the handrail bands with two hands and lean against the necklace; a swimmer can conveniently use the necklace; by a hanging rope on the side surface of the floating body, the swimmer can carry the necklace, and the action of the swimmer cannot be limited by the necklace; and the overwater emergency rescue necklace is light in weight, convenient and suitable for popularization.