The invention relates to the field of vehicle-mounted electronic products, and discloses a waterproof structure of an electronic product with light guiding elements.The waterproof structure comprises a top shell, a front shell and a silica gel panel which is fixed between the top shell and the front shell and integrally formed; the silica gel panel is provided with silica gel buttons and a transparent light guiding surface, closed convex type waterproof lines are arranged on the portions, corresponding to the edges of the silica gel panel, of the front shell, pressing strips are arranged on the portions, corresponding to the waterproof lines, of the top shell, the pressing strips tightly press the silica gel panel and the convex type waterproof lines, and the convex type waterproof lines are embedded into the silica gel panel.According to the waterproof structure, the very good waterproof effect can be achieved while the diversified light guiding effects are achieved.