Disclosed are an optical module optical interface component with a collimating lens and a manufacturing method thereof. The optical module optical interface component comprises an optical lens (20) and a connecting body (10). The optical lens (20) is provided with a first end surface (21) and a second end surface (22) which correspond to each other, the connecting body (10) is provided with a shaping space (12), and the optical lens (20) is retained in the shaping space (12). The connecting body (10) is provided with an end portion for the mounting of an optical sub-module (30) and an end portion for the mounting of an external optical fibre (40), the first end surface (21) of the optical lens (20) faces the end portion of the optical sub-module (30), and the second end surface (22) faces the end portion of the external optical fibre (40). The optical lens (20) is shaped or mounted in the shaping space (12) of the connecting body (10). Further provided is a manufacturing method for the optical module optical
