Abstract: The effects of Hawthorn, Lotus leaf, Oolong tea and other edible Chinese medicines on lipolysis of rats and on theactivity of pancreatic lipase were studied. According to this formulation the ingredients of weight-reducing tea were determined.Then its anti-obesity function was examined by animal test. The results showed that the activity of hormone sensitive lipase wasincreased by weight-reducing tea and the increase of the release-rate of FFA was 112.9%. The body weight, fat weight and serumlipid levels of model rats with nutritional obesity were significantly decreased, so the function of anti-obesity was effective.

Key words: eatable Chinese medicines, weight-reducing tea, anti-obesity mechanism