Forpyrochlore-richsynrocwasteformcontainingsimulatedactinidewaste(wasteloa-dingω=46.8%),itsradiationstabilityisstudiedbyusingheavyionirradiationtosimulatetheα-decayself-irradiationdamageofsynrocunderlong-termstorage.TheexperimentisperformedatNationalNuc Forpyrochlore-rich synucleinforming preparations of simulatedactinidewaste (wasteloa-ding ω = 46.8%), its radiation can afford to be used by radiation in radiation-controlled alpha-decay self-irradiation damage of synucleia-term storage.