The present invention discloses a method of preparing passiflorce edulia leaves into pure and ecological bean curds. The preparation method is as follows : the branch leaves of the passiflorce edulia transplanted from tropical regions to the north regions of a northern latitude of 29 degrees are pruned, the pruned passiflorce edulia branch leaves are mixed with water at a ratio of 3.0 : 4.5, the mixture is crushed, the crushed mixture is homogenized, the homogenized mixture is filtered, the leaf residue solid content is removed, the juice is taken, a small amount of micro-organism fermented cyclodextrin is added, the mixture is stirred evenly and subjected to embedding, then beta-glucolactone is added to prepared the leaf bean curds, and the ratio of the latter two materials is 0.08% : 0.10%. The drink has various fruit compound aroma and effects of refreshing mind and preventing alcoholism, can lower blood fat, and has positive significances in promoting the comprehensive utilization of resources, and developing the wide tourism industry of villages and towns and optimizing the rural industry.