Sapindus mukorossii fit drought, strong growth, the fruit is rich in saponin, a natural cleansing and medicinal properties, is very good for planting trees. In this study, the new Taipei City in the Sanxia district area 0.3 hectares of farmland for the test, the plant Sapindus tree from the initial order by year by adding charcoal and different ways of vinegar, girdling, uprooting, truncated, fertilizer and other treatment to promote Sapindus plant early flowering and fruiting. Using six different concentrations of treatment, a separate addition of bamboo charcoal 0.05kg and bamboo vinegar diluted by adding 1/500 of Sapindus in the same year to promote height growth is better. Fertilization had little effect on the growth and fruiting of Sapindus, but it had control effect on pests and diseases. The first three years will have the results of the phenomenon, saponin content of 11.10 mg / g.