< Topic >At the same time while possessing high security, making use of the material whose it is easy to reset to natural environment, it possesses operation such as mildewproofing, and insect proof it offers the flower mat of the rush which shows water repellency Characteristic vis-a-vis the humidity and the moisture. Anti- mold operation and the flower mat which has the effect of the environmental clean-up are offered.SolutionsThe mixed solution which is made the fluorine component 0.5 - 4 sections the mixed liquid of the fluorine component which is dissolved in the tea component and the baida component which in the rush web are selected from the green tea as a weight ratio, vis-a-vis tea component 1, per m2 applying 0.5 - 30g to the surface of the rush web, was heat-treated it is the flower mat for the water repellency Characteristic anti- mold which with the 100 - the 150.< Choice figure >Drawing 1【課題】自然環境に戻すことが容易な材料を用い、かつ高い安全性を有しつつ防カビや防虫等の作用を有し、湿気、水分に対して撥水性を示す藺草の花茣蓙を提供する。抗カビ作用及び環境浄化の効果のある花茣蓙を提供する。【解決手段】藺草織物に緑茶から抽出したお茶成分とバイダー成分に溶解したフッ素系成分との混合液を重量比率として、お茶成分1に対して、フッ素成分0.5~4部にした混合溶液を、藺草織物の表面にm2当たり0.5~30gを塗布して、100℃~150℃で熱処理した撥水性抗カビ用花茣蓙である。【選択図】図1