Provided in the present application are an antenna, an antenna control method and a terminal, the antenna comprising: an antenna body and an antenna branch, wherein one end of the antenna branch is connected to the antenna body, and the other end thereof is connected to a feed point of a main radio frequency path; the end of the antenna branch which is connected to the feed point of the main radio frequency path is also connected to the antenna body by means of a first adjustable device; and the first adjustable device comprises an off state and an on state. The antenna branch is connected between the feed point of the main radio frequency path and the antenna body, and the first adjustable device is turned on and turned off, so that the antenna branch is connected and disconnected, which ensures that the left and right hand models of the terminal have good performance.