An optical proximity sensor component, comprising an optical proximity sensor and a light guide body, wherein the light guide body comprises a first end face, the light guide body is fixed on the optical proximity sensor, the light guide body is configured to transfer, to the optical proximity sensor, light that enters from the first end face, and send out, through the first end face, light that is emitted by the optical proximity sensor, the light guide body comprises a second end face disposed opposite to the first end face, a light-shielding separating rib is disposed inside the light guide body, the light-shielding separating rib is disposed in a manner of extending from the first end face to the second end face, the light-shielding separating rib divides the light guide body into a first light guide part and a second light guide part, the first light guide part is configured to guide, into the optical proximity sensor, light that enters from the first end face, and the second light guide part is configured to guide out light that is emitted by the optical proximity sensor, and characterized in that an end that is of the light-shielding separating rib and that is near the first end face is a bent section, the bent section bends towards the second light guide part, to form a light guide slope facing the first end face, wherein the light guide slope is configured to guide light entering the first end face into the first light guide part, the optical proximity sensor comprises a working face, a light shielding plate is disposed at a peripheral edge of the second end face of the light guide body, a slot is disposed at a peripheral edge of the working face, the light shielding plate is inserted into the slot, and the second end face and the working face are close and fit to each other. the light guide body comprises a first end face, the light guide body is fixed on the optical proximity sensor, the light guide body is configured to transfer, to the optical proximity sensor, light that enters from the first end face, and send out, through the first end face, light that is emitted by the optical proximity sensor, the light guide body comprises a second end face disposed opposite to the first end face, a light-shielding separating rib is disposed inside the light guide body, the light-shielding separating rib is disposed in a manner of extending from the first end face to the second end face, the light-shielding separating rib divides the light guide body into a first light guide part and a second light guide part, the first light guide part is configured to guide, into the optical proximity sensor, light that enters from the first end face, and the second light guide part is configured to guide out light that is emitted by the optical proximity sensor, and characterized in that an end that is of the light-shielding separating rib and that is near the first end face is a bent section, the bent section bends towards the second light guide part, to form a light guide slope facing the first end face, wherein the light guide slope is configured to guide light entering the first end face into the first light guide part, the optical proximity sensor comprises a working face, a light shielding plate is disposed at a peripheral edge of the second end face of the light guide body, a slot is disposed at a peripheral edge of the working face, the light shielding plate is inserted into the slot, and the second end face and the working face are close and fit to each other.