The purpose of the study is to create the herb garden in Huatan Green Care Station as a healing garden for senior citizens and visitors. We use the "Attention Questionnaire" and the "Perceived Restorativeness Scale" to examine the garden improvements influence on users' attention status and attention restorations. The results show that after users experienceing the "herb garden" and "optimized healing garden", users' attention accuracy of the former decreased by 2.71% and the latter increased by 2.24%. Although users' attention restoration feelings of "optimized healing garden" are lower than "herb garden", the average are 4.07 points. It shows that the "optimized healing garden" helps to improve the user's attention status and provide the attention restoration benefit.