Provided is a PCB antenna, including PCB substrate, first and second radiating portions, the first radiating portion includes first radiator, second and third radiators extending therefrom to form feeding groove; the second radiating portion includes fourth radiator, fifth and sixth radiators extending therefrom, seventh radiator, eighth and ninth radiators extending therefrom, and tenth and eleventh radiators symmetrically arranged, the fifth radiator extends to the feeding groove; the sixth radiator extends in opposite direction of the fifth radiator; the seventh radiator extends in the direction of the sixth radiator and forms second slot therewith; the eighth radiator extends in opposite direction of the seventh radiator; third slot is formed between the tenth radiator and the second radiator, fourth slot is formed between the eleventh radiator and the third radiator. The PCB antenna provided can enhance medium and high frequency resonance and provide full-band omnidirectional antenna design under 4G demand.