The utility model relates to a hydrogen sulfide environment tubular product stress corrosion proof stress anchor clamps, including first semi-circular segment structure, the semi-circular segment structure of second and first backing plate and second backing plate, the first and second semi-circular segment structures all include the sharp limit fixed connection of arc limit and sharp limit, first backing plate and first semi-circular segment structure, the sharp limit fixed connection of the semi-circular segment structure of second backing plate and second, first backing plate and second backing plate correspond the position and all are equipped with first screw hole, first and second backing plates pass through the screw with first screw hole is connected, the arc limit and the extension line of first semi-circular segment structure, the semi-circular segment structure of second form a circular structure, the structural experiment ring that is equipped with of circle, structural two holes that are used for the installing support that are equipped with of the first and second semi-circular segments. Simple structure is reasonable for these anchor clamps, convenient to detach to can overcome and self deform to the influence of test result, improve experimental rate of accuracy.