This paper aims at studying how the effects of Animal Assisted Therapy on the elderly’s depression, cognition are. The questions of this paper are as followings. 1. What is the demo-social characteristics of elderly in Uisung nursing home? 2. What are the effect of Animal Assisted Therapy on the elderly’s depression, cognition? In this paper, we collected the data by interviews through questionnaires and observations during program. The results of the analyses of the elderly in Uisung nursing home are as follows. In the demo-socio factors, the elderly’s average age is 78, The score of depression of experiment group is 47 in comparison of the previous test 52. The score of cognition is 14 in comparison of the previous test 13. Although there is a little difference between test group and experiment group in post test of MNSE-K, depression, the differences of test group and experiment group in post test of MNSE-K, depression are statistically meaningless. With a view of this point, we can conclude that we need more observation of the effect of the animal assisted therapy in nursing home Uisung area in spite of better conditions than before. The agency to solve the elderly depression, cognition in nursing home need more observation to recognize the important factors affecting the elderly’s depression, cognition in Uisung Kyungbuk Area. In reality, the elderly in nursing home feel more better than before therapy, which implication is very meaningful in elderly welfare.