The purpose of this study is to evaluate the effect of horticultural therapy program introducing logotherapy to relieve senior citizens from loneliness and helplessness. 24 senior citizens registered in C Senior Welfare Center located in Chung-cheongbuk-do were selected to be subject of this study. 12 senior citizens were assigned to the experimental group and went through a horticultural therapy program, the other 12 senior citizens were assigned to the control group, and no specific program was applied. As a result, the experimental group which went through a horticultural therapy program shown a statistical significance in relieving their loneliness and helplessness, while the control group did not show any statistical significance. In this respect, this study concludes that horticultural therapy introducing logotherapy, can be useful for senior citizens to relieve their loneliness and helplessness.