The invention discloses a lotus leaf cake. The lotus leaf cake comprises the following components of flour, eggs and sucrose and further comprises active ingredient of lotus leaf, wherein, the active ingredients of lotus leaf include nuciferine and flavonoid from lotus leaf, the content of the nuciferine in the lotus leaf cake ranges from 0.003 percent to 0.03 percent by weight, and the content of the flavonoid from lotus leaf ranges from 0.015 percent to 0.5 percent by weight; the nuciferine and the flavonoid from lotus leaf have the functions of obvious weight reduction, fat decreasing, bacteriostasis, antivirus, detoxication, oxidation resistance, and the like; if at least 10 g of the lotus leaf cake is consumed each day, the lotus leaf cake has the effect of obvious fat decreasing, weight reduction, diuresis, catharsis and intestine detoxication, and also has the function of senile-resistance for long-term consumption, and the influence of burden of excretion due to excessive consumption does not exist. The lotus leaf cake has the functions of fat decreasing, weight reduction, diuresis, catharsis, intestine detoxication, and the like.