The invention discloses an ultrahigh pressure plug type blocking cup and relates to the blocking field. The ultrahigh pressure plug type blocking cup comprises an outer contour, multiple pressing troughs, sealing lines, a stamped mounting hole, multiple through holes and an upper surface groove, wherein the outer contour is round, the pressing troughs are integrally pressed in the outer contour through a cup die, the sealing lines are formed between the pressing troughs, the upper surface groove is formed in the circle defined by the outer contour and is lower than the upper surface of the outer contour, the stamped mounting hole is formed in the middle of the upper surface groove, and the through holes are formed surrounding the stamped mounting hole. The ultrahigh pressure plug type blocking cup has the advantages that multi-line sealing is adopted to block a pipeline, so that wrinkling during construction is avoided, blocking compactness is improved, and it is ensured that the blocking leakage rate is zero.