The time differential perturbed angular correlation method has been used to study the radiation damage in Ag and its annealing behaviour and healing effect. Monovacancies were created by 111In recoils from the reaction 109Ag（α

2n）111In. A unique quadrupole interaction with a sharp frequency of 76.2MHz was observed following the nuclear reaction. After annealing at 673K the unique quadrupole interaction disappeared and the probe nuclei experinced only an interaction of electric field gradient distribution which was caused by distant defects. The radiation damage was completely annealed at 873 K. The dependence of radiation damage on healing time shows that the probe nuclei still trap defects after 15 day healing but with a reduction of a factor of 3.5. The width of electric field gradient distribution decreases with increasing healing time and becomes independent of healing time after 6 day healing. Healing mainly takes place in 2 to 10 days after irradiation.