An antenna system, comprising a first metal radiator, a second metal radiator, a first matching network, a second matching network, a first radio frequency path, and a second radio frequency path, wherein: a tail end of the first metal radiator is connected with a first feed point of the antenna system and the first feed point is connected with the first radio frequency path through the first matching network; and a tail end of the second metal radiator is connected with a second feed point of the antenna system and the second feed point is connected with the second radio frequency path through the second matching network, wherein the first metal radiator is a first metal frame of a terminal, the second metal radiator is a second metal frame of the terminal, a tail end of the first metal frame is adjacent to a tail end of the second metal frame, and a gap is formed between the tail end of the first metal frame and the tail end of the second metal frame; wherein the first metal frame comprises a transverse extension part and a longitudinal extension part, the antenna system being characterized in that: a total length of the transverse extension part and the longitudinal extension part is 10mm to 30mm, and a length of the second metal frame is smaller than 30mm; in that the first metal radiator is arranged to have a resonance frequency at a frequency band corresponding to a Global Positioning System, GPS, L1 waveband, a resonance frequency at a 2.4GHz frequency band of Wireless Fidelity, WiFi, and a resonance frequency at a 5GHz frequency band of the WiFi, and in that the second metal radiator is arranged to have a resonance frequency at a frequency band corresponding to a GPS L5 waveband. a tail end of the first metal radiator is connected with a first feed point of the antenna system and the first feed point is connected with the first radio frequency path through the first matching network; and a tail end of the second metal radiator is connected with a second feed point of the antenna system and the second feed point is connected with the second radio frequency path through the second matching network, wherein the first metal radiator is a first metal frame of a terminal, the second metal radiator is a second metal frame of the terminal, a tail end of the first metal frame is adjacent to a tail end of the second metal frame, and a gap is formed between the tail end of the first metal frame and the tail end of the second metal frame; wherein the first metal frame comprises a transverse extension part and a longitudinal extension part, the antenna system being characterized in that: a total length of the transverse extension part and the longitudinal extension part is 10mm to 30mm, and a length of the second metal frame is smaller than 30mm; in that the first metal radiator is arranged to have a resonance frequency at a frequency band corresponding to a Global Positioning System, GPS, L1 waveband, a resonance frequency at a 2.4GHz frequency band of Wireless Fidelity, WiFi, and a resonance frequency at a 5GHz frequency band of the WiFi, and in that the second metal radiator is arranged to have a resonance frequency at a frequency band corresponding to a GPS L5 waveband. a total length of the transverse extension part and the longitudinal extension part is 10mm to 30mm, and a length of the second metal frame is smaller than 30mm; in that the first metal radiator is arranged to have a resonance frequency at a frequency band corresponding to a Global Positioning System, GPS, L1 waveband, a resonance frequency at a 2.4GHz frequency band of Wireless Fidelity, WiFi, and a resonance frequency at a 5GHz frequency band of the WiFi, and in that the second metal radiator is arranged to have a resonance frequency at a frequency band corresponding to a GPS L5 waveband.