An antenna, applicable to an electronic device, the antenna comprising: a first radiation structure and a second radiation structure, wherein the first radiation structure comprises a first radiator, the second radiation structure comprises a second radiator, and the first radiator and the second radiator are not electrically connected; a first end of the first radiator and a first end of the second radiator are provided opposite to each other, and the first end of the first radiator and the first end of the second radiator form a first gap, a second end of the first radiator is suspended in the air; a feed point of the antenna is coupled to the first radiator, the first radiator is divided into a first portion and a second portion that are delimited by the feed point, and the length of the first portion is less than the length of the second portion; and a ground point is provided on the second portion between the second end of the first radiator and the feed point; wherein the first radiation structure includes a first switching module, wherein one end of the first switching module is coupled to the first radiator of the first radiation structure, and another end of the first switching module is connected to ground; and wherein the second radiation structure includes a second switching module, wherein one end of the second switching module is coupled to the second end of the second radiator of the second radiation structure, and another end of the second switching module is connected to ground; in a case that the antenna is in operation, the first portion of the first radiator and the second radiator are configured to work together in a first frequency band and a second frequency band, and a frequency of the first frequency band is configured to be less than a frequency of the second frequency band; and in a case of working in the first frequency band, a current direction of the first portion is configured to be the same as a current direction of the second radiator, and in a case of working in the second frequency band, the current direction of the first portion is configured to be opposite to the current direction of the second radiator at the first gap, wherein an SAR value of the antenna in the first frequency band and the second frequency band is configured to be less than an SAR value of the first radiation structure working alone in the first frequency band and the second frequency band. the first radiation structure comprises a first radiator, the second radiation structure comprises a second radiator, and the first radiator and the second radiator are not electrically connected; a first end of the first radiator and a first end of the second radiator are provided opposite to each other, and the first end of the first radiator and the first end of the second radiator form a first gap, a second end of the first radiator is suspended in the air; a feed point of the antenna is coupled to the first radiator, the first radiator is divided into a first portion and a second portion that are delimited by the feed point, and the length of the first portion is less than the length of the second portion; and a ground point is provided on the second portion between the second end of the first radiator and the feed point; wherein the first radiation structure includes a first switching module, wherein one end of the first switching module is coupled to the first radiator of the first radiation structure, and another end of the first switching module is connected to ground; and wherein the second radiation structure includes a second switching module, wherein one end of the second switching module is coupled to the second end of the second radiator of the second radiation structure, and another end of the second switching module is connected to ground; in a case that the antenna is in operation, the first portion of the first radiator and the second radiator are configured to work together in a first frequency band and a second frequency band, and a frequency of the first frequency band is configured to be less than a frequency of the second frequency band; and in a case of working in the first frequency band, a current direction of the first portion is configured to be the same as a current direction of the second radiator, and in a case of working in the second frequency band, the current direction of the first portion is configured to be opposite to the current direction of the second radiator at the first gap, wherein an SAR value of the antenna in the first frequency band and the second frequency band is configured to be less than an SAR value of the first radiation structure working alone in the first frequency band and the second frequency band.