Environmental load for printing service has been estimated by qualitative assessment, usage of recycled paper or vegetable oil ink is generally recommended. Nowadays, demand for quantitative assessment is requested by environment conscious companies at front edge, so method of Printing service LCA should be formulated in a hurried manner. Purpose of printing service LCA consists of three subjects. First, environmental load should be calculated as numerical number; it is so called Mieruka

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... ization. Second, original printing service specification should be shifted to DfE (Design for Environment)after assessing LCA result. Third, calculated LCA result could be utilized for carbon offset or carbon foot print which are expected to lead the way to low carbon society by indirect way, In this case study, one hundred thousand of paper box production is evaluated by LCI and LCIA to know which environmental factor should be focused. Three different printing patterns are compared by viewpoint of environment and cost performance. There are findings what sort of printing factor combination is preferred in terms of environment and economy. At the end, future efforts are indicated; there are limitation of LCA method and printing business based on usage of paper. We should try to find second thought about new business model not based on paper immediately.