An automatic evaluating method for green business and a device thereof are provided to select a desired green type simply through a network, thereby easily obtaining information about costs of materials. Plant species are inputted from a user. According to the inputted plant species, a load and a soil depth of a plant are determined. According to a selected coating area, a soil volume and a soil load are determined. Prices of soil and a plant which will be used are decided. The loads and prices of the obtained plant and soil are transmitted to the user.
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