Abstract: After intercropping watermelon and papaya in orchard of young coconut, it is remarkable that the intercropping may promote growth of coconut, improve the nutrient of leaf of coconut, increase soil nutrient and economic incoming in orchard of young coconut. The effects of the model of Intercropping Papaya Before Intercropping Watermelon was the best in the three models of intercropping, secondly was the model of Intercropping Papaya, third was the model of Intercropping Watermelon.