The invention relates to the technical field of wireless communication, and discloses a mobile terminal and a manufacturing method thereof, which aim to improve the integration level of a terminal antenna in a terminal casing, so that the mobile terminal can be developed to achieve a thinner structure. The mobile terminal comprises the terminal casing and a motherboard arranged inside the terminal casing, wherein antenna wirings and an antenna leaf spring are formed on the inner surface of the terminal casing, and the motherboard is electrically connected with the antenna wirings through the antenna leaf spring; or a support is further arranged inside the terminal casing, the antenna wirings and the antenna leaf spring are formed on the support, and the motherboard is electrically connected with the antenna wirings through the antenna leaf spring. The manufacturing method of the mobile terminal is used for manufacturing the mobile terminal. The mobile terminal provided by the invention is applicable to the technical field of wireless communication.