Mobile phone

The utility model discloses a mobile phone which comprises a mobile phone body, a mainboard arranged in the mobile phone body, and an antenna connected with the mainboard, wherein, the antenna is arranged at the lower end of the mainboard; the mobile phone also comprises a metal piece which is positioned at the upper end of the mainboard and higher than the surface of the mainboard. The metal piece is added in the utility model, and the zone of the mainboard is enlarged, thereby the defect that the resonance point of the antenna has a bigger offset because the flip mainboard is shorter and the size of the mainboard changes greatly when the cover is opened and closed under low frequency is overcome, the purpose that the resonance point of the antenna is finely adjusted to the wanted frequency point is realized, and the signal quality of clamshell phones is greatly improved.