An antenna control system of a mobile terminal, comprising: an antenna and a controller; wherein the antenna comprises a first antenna portion and a second antenna portion symmetrically distributed; each of the first antenna portion and the second antenna portion has a plurality of operating states corresponding to a plurality of operating resonance frequencies; characterized in that, the controller comprises an antenna-operating-state acquisition submodule and a control submodule, the antenna-operating-state acquisition submodule is configured to acquire a first operating state of the first antenna portion; the control submodule is configured to adjust a second operating state of the second antenna portion based on the first operating state such that said first and second antenna portions simultaneously operate and an operating resonance frequency of the first antenna portion and an operating resonance frequency of the second antenna portion are close or equal, the first antenna portion comprises a first antenna, a first switch, and a first multi-tuning circuit connected in series; the second antenna portion comprises a second antenna, a second switch, and a second multi-tuning circuit connected in series; each of the first multi-tuning circuit and the second multi-tuning circuit comprises multiple tuning branches arranged in parallel; a predefined correspondence relation exists between a tuning branch of the first multi-tuning circuit and a tuning branch of the second multi-tuning circuit; in a case that one tuning branch of the first multi-tuning circuit is connected with the first switch, and a tuning branch having the predefined correspondence relation in the second multi-tuning circuit is connected with the second switch, the operating resonance frequency of the first antenna portion and the operating resonance frequency of the second antenna portion are close or equal. an antenna and a controller; wherein the antenna comprises a first antenna portion and a second antenna portion symmetrically distributed; each of the first antenna portion and the second antenna portion has a plurality of operating states corresponding to a plurality of operating resonance frequencies; characterized in that, the controller comprises an antenna-operating-state acquisition submodule and a control submodule, the antenna-operating-state acquisition submodule is configured to acquire a first operating state of the first antenna portion; the control submodule is configured to adjust a second operating state of the second antenna portion based on the first operating state such that said first and second antenna portions simultaneously operate and an operating resonance frequency of the first antenna portion and an operating resonance frequency of the second antenna portion are close or equal, the first antenna portion comprises a first antenna, a first switch, and a first multi-tuning circuit connected in series; the second antenna portion comprises a second antenna, a second switch, and a second multi-tuning circuit connected in series; each of the first multi-tuning circuit and the second multi-tuning circuit comprises multiple tuning branches arranged in parallel; a predefined correspondence relation exists between a tuning branch of the first multi-tuning circuit and a tuning branch of the second multi-tuning circuit; in a case that one tuning branch of the first multi-tuning circuit is connected with the first switch, and a tuning branch having the predefined correspondence relation in the second multi-tuning circuit is connected with the second switch, the operating resonance frequency of the first antenna portion and the operating resonance frequency of the second antenna portion are close or equal.