Moisture-proof and lightning-proof protection device for optical cable

The utility model relates to the technical field of optical cable protection, in particular to an optical cable moisture-proof and lightning-proof protection device which comprises an optical cable, a protection shell is sleeved outside the optical cable, a lightning guiding layer is arranged outside the protection shell, an insulating layer is connected to the inner layer of the protection shell in a gluing mode, and a corrosion-resistant layer is connected to the inner layer of the insulating layer in a gluing mode. The inner layer of the corrosion-resistant layer is connected with a waterproof layer in a gluing mode, the inner layer of the waterproof layer is connected with a buffer layer in a gluing mode, the inner layer of the buffer layer is connected with a filling layer in a gluing mode, a main line penetrates through an inner cavity of the filling layer, and auxiliary lines penetrate through the inner cavity of the filling layer and are located on the periphery of the main line. According to the util