The utility model relates to a protection device of temperature sensor probe for oceanographic survey, including the stainless steel steel pipe, the rubber buffer, temperature sensor probe and steel pipe press from both sides, the equidistant first water inlet of a plurality of groups to wearing that be equipped with of stainless steel steel pipe lower extreme wherein, first water inlet lower extreme, be equipped with two rows on the stainless steel steel pipe, second water inlet and the third water inlet of a plurality of groups to wearing, the rubber buffer diameter is corresponding with stainless steel steel pipe internal diameter, the rubber buffer is installed in the stainless steel steel pipe, and the rubber buffer is located between second water inlet and the third water inlet, be equipped with the fourth water inlet in the middle of the rubber buffer, be used for placing the temperature sensor probe, the temperature sensor probe alternates on the fourth water inlet, stainless steel steel pipe upper end and instrument terminal connection are passed through the connecting wire in temperature sensor probe upper end, the stainless steel steel pipe upper end outside is equipped with the steel pipe and presss from both sides, be used for being connected with the ship board. The utility model discloses a fully protect temperature sensor probe, it is prevent with hull shell and the contact of ocean rubbish and impaired.