Terminal module manufacturing method and electric connector

The invention discloses a manufacturing method of a terminal module, and the method comprises the following steps: S1, providing a metal plate, stamping on the metal plate, and performing laser cutting to form a first terminal, a second terminal separated from the first terminal, and an inner sealing glue frame and an outer sealing glue frame which are integrally formed with the first terminal and the second terminal, wherein the first terminal is provided with a first contact part and a first abutting part, and the second terminal is provided with a second contact part and a second abutting part; S2, placing the first terminal, the second terminal, the inner sealing rubber frame and the outer sealing rubber frame in the step S1 on an injection mold, enabling the injection mold to perform the crimping on the inner sealing rubber frame, the first abutting part and the second abutting part, enabling the injection mold to further cooperate with the outer sealing rubber frame, the first contact part and the secon