An antenna structure, comprising a first antenna radiator , a second antenna radiator , a first impedance matching circuit , a second impedance matching circuit , and a signal source , wherein the first antenna radiator is coupled to the second antenna radiator through a slot, an end of the first antenna radiator away from the slot is grounded, a feed point is disposed on the first antenna radiator , an end of the second antenna radiator away from the slot is grounded, a length of the first antenna radiator is greater than a length of the second antenna radiator , and an absolute value of a difference between the length of the second antenna radiator and a 1/4 wavelength of a third frequency band is less than a first specific value; a first terminal of the first impedance matching circuit is connected to the feed point , and a second terminal of the first impedance matching circuit is connected to a first terminal of the signal source ; a first terminal of the second impedance matching circuit is connected to a third terminal of the first impedance matching circuit , and a second terminal of the second impedance matching circuit is grounded; and a second terminal of the signal source is grounded; wherein the first impedance matching circuit comprises a first inductor (L1), a first capacitor (C1), and a second capacitor (C2); a first terminal of the first inductor (L1) is connected to the feed point , and a second terminal of the first inductor (L1) is connected to a first terminal of the first capacitor (C1); a first terminal of the second capacitor (C2) is connected to the feed point , and a second terminal of the second capacitor (C2) is connected to the first terminal of the first capacitor (C1); and a second terminal of the first capacitor (C1) is connected to the first terminal of the signal source . the first antenna radiator is coupled to the second antenna radiator through a slot, an end of the first antenna radiator away from the slot is grounded, a feed point is disposed on the first antenna radiator , an end of the second antenna radiator away from the slot is grounded, a length of the first antenna radiator is greater than a length of the second antenna radiator , and an absolute value of a difference between the length of the second antenna radiator and a 1/4 wavelength of a third frequency band is less than a first specific value; a first terminal of the first impedance matching circuit is connected to the feed point , and a second terminal of the first impedance matching circuit is connected to a first terminal of the signal source ; a first terminal of the second impedance matching circuit is connected to a third terminal of the first impedance matching circuit , and a second terminal of the second impedance matching circuit is grounded; and a second terminal of the signal source is grounded; wherein the first impedance matching circuit comprises a first inductor (L1), a first capacitor (C1), and a second capacitor (C2); a first terminal of the first inductor (L1) is connected to the feed point , and a second terminal of the first inductor (L1) is connected to a first terminal of the first capacitor (C1); a first terminal of the second capacitor (C2) is connected to the feed point , and a second terminal of the second capacitor (C2) is connected to the first terminal of the first capacitor (C1); and a second terminal of the first capacitor (C1) is connected to the first terminal of the signal source . <EOS>