The embodiment of the invention discloses an electrical connector and a manufacturing method thereof. The electrical connector includes: an insulating body, shielding plate, ground terminal and signalterminal, and also includes a power panel which includes a connecting unit, an upper power supply terminal and a lower power supply terminal bent downward from the connecting unit and extending horizontally, the upper power supply terminal is bent upward and then extends horizontally from the front end of the lower power supply terminal, the upper power supply terminal and the lower power supplyterminal are parallel, and the center lines of the upper power supply terminal and the lower power supply terminal coincide with each other. Through the abovementioned method, the embodiment of the invention can increase heat dissipation and realize a large current function.