The invention discloses an electric connector and a mobile terminal. The electric connector comprises a housing in which an accommodating cavity is formed and which is provided with a first opening communicating with the accommodating cavity; a connecting plate, wherein a contact terminal is disposed on one end surface of the connecting plate, the connecting plate is disposed in the accommodatingcavity, and an insertion space for inserting a USB plug is formed between the connecting plate and the inner wall of the housing; a stopping block comprising a through hole penetrating two opposite end faces, wherein the connecting plate penetrates the through hole; a fixing member disposed on a side of the accommodating cavity away from the first opening. The stopping block is elastically coupledto the fixing member. The stopping block can prevent external foreign matters from entering the accommodating cavity of the electric connector, ensures the safe use of the electric connector and improves user experience.