This study is a quasi-experimental research. Objective to compare the body mass index of nursing students in overweight in the experimental group. Before and after drinking tea, flowers, grass, white.The sample were overweight By means of simple random sampling (Simple Random Sampling) by way of drawing from those with property, is body mass index exceeds the threshold.60 people by the experimental group and the control group. 30 people 30. The data were collected using a questionnaire composed of 3 parts is 1) personal information. 2) health information 3) opinions about tea, flowers, grass, white.3 you and test the reliability of the engine by a trial (Thy out) calculated coefficient of แอลฟาตาม method Cronbach (Cronbach s. ' Alpha coefficient) reliability from the trial.In the calculation of statistical frequency, percentage, and the average used data analysis to explain. To see the changes of body mass index
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