A printed circuit board antenna, wherein the printed circuit board antenna comprises: a printed circuit board and a feedpoint that is disposed on the printed circuit board, wherein a copper coating is disposed on the printed circuit board; a split is disposed on the copper coating on the printed circuit board, the split is connected to a board edge of the printed circuit board, a slot perpendicular to the split is disposed on the copper coating on the printed circuit board, the slot is connected to the split, and the copper coating at two sides of the split forms, from the split to two ends of the slot, a first antenna and a second antenna; and the feedpoint is configured to, together with the first antenna and the second antenna, form a first resonance loop and a second resonance loop, wherein resonance frequencies of the first resonance loop and the second resonance loop are different; wherein the feedpoint is electrically connected to the first antenna, and the length of the first antenna is different from the length of the second antenna; and the feedpoint is configured to, together with the first antenna and the second antenna, form the first resonance loop and the second resonance loop, wherein the resonance frequencies of the first resonance loop and the second resonance loop are different and wherein the first resonance loop is formed on the first antenna through feeding of the feedpoint, and the second resonance loop is formed on the second antenna through coupled feeding of the first antenna, wherein the resonance frequencies of the first resonance loop and the second resonance loop are different; characterized in that the antenna further comprises: a first inductor and a second inductor, and the first inductor is disposed on the first antenna and is electrically connected to the first antenna, and the second inductor is disposed on the second antenna and is electrically connected to the second antenna; and wherein the first inductor is disposed at a position offset from the end of the slot associated with the first antenna and with a maximum current on the first antenna, and the second inductor is disposed at a position offset from the end of the slot associated with the second antenna and with a maximum current on the second antenna. a printed circuit board and a feedpoint that is disposed on the printed circuit board, wherein a copper coating is disposed on the printed circuit board; a split is disposed on the copper coating on the printed circuit board, the split is connected to a board edge of the printed circuit board, a slot perpendicular to the split is disposed on the copper coating on the printed circuit board, the slot is connected to the split, and the copper coating at two sides of the split forms, from the split to two ends of the slot, a first antenna and a second antenna; and the feedpoint is configured to, together with the first antenna and the second antenna, form a first resonance loop and a second resonance loop, wherein resonance frequencies of the first resonance loop and the second resonance loop are different; wherein the feedpoint is electrically connected to the first antenna, and the length of the first antenna is different from the length of the second antenna; and the feedpoint is configured to, together with the first antenna and the second antenna, form the first resonance loop and the second resonance loop, wherein the resonance frequencies of the first resonance loop and the second resonance loop are different and wherein the first resonance loop is formed on the first antenna through feeding of the feedpoint, and the second resonance loop is formed on the second antenna through coupled feeding of the first antenna, wherein the resonance frequencies of the first resonance loop and the second resonance loop are different; characterized in that the antenna further comprises: a first inductor and a second inductor, and the first inductor is disposed on the first antenna and is electrically connected to the first antenna, and the second inductor is disposed on the second antenna and is electrically connected to the second antenna; and wherein the first inductor is disposed at a position offset from the end of the slot associated with the first antenna and with a maximum current on the first antenna, and the second inductor is disposed at a position offset from the end of the slot associated with the second antenna and with a maximum current on the second antenna.