More and more concern has been emphasized on the environmental landscapes in Taiwan. Landscape planners and designers feel the shortage of landscape researches both on their quality and quantity. Journal of landscape have been published for more than 10 years, which accumulated many research fruitful results in this professional field. This study tries to analyze and make suggestions on the landscape professional field by discussing the study themes, the study sites, their subjects, instruments being used, statistical methods, and author affiliations. For the past 12 years, there were 46 articles study the landscape cognition issue, which makes it the most popular topic in this journal. Major study sites were the parks and greenery areas and major subjects were students. In comparison with other study instrument, questionnaire was the most popular one. Besides the descriptive statistics, the ANOVA, regression, and the correlation were most applied statistical methods. Most authors were from department of horticulture and landscape department, with high consistency on these authors. Finally, this study makes suggestions to landscape researchers, hoping they can have more studies being promoted to the practitioners for improving the planning and design works. Also, the practitioners should make suggestions to the researchers and learn how to use the study results to make their works more accountability and defensibility in landscape planning and design process.