A high speed screening analysis system for reaction optimization, comprising: a sample injection part for introducing a sample; a plurality of reactant-coating parts disposed radially around the sample injection part and coated with a substance reacting with the sample; a plurality of injecting micro channels connecting the sample injection part and the plurality of reactant-coating parts , each of the injecting micro channels being connected with each of the reactant-coating parts ; and characterized in that it comprises: an absorbing part connected with the reactant-coating parts and for absorbing remaining sample after reaction in the reactant-coating parts , wherein other parts than the sample injection part , the reactant-coating parts , the injecting micro channels , and the absorbing part on a plate-shaped material are formed by coating with hydrophobic wax, and a plurality of discharging micro channels connecting the plurality of reactant-coating parts and the absorbing part , each of the discharging micro channels being connected with each of the reactant-coating parts , wherein each of the injecting micro channels and the discharging micro channels has a micropillar structure , and wherein the micropillar structure is comprised of dots patterned with wax and having a regular arrangement. a sample injection part for introducing a sample; a plurality of reactant-coating parts disposed radially around the sample injection part and coated with a substance reacting with the sample; a plurality of injecting micro channels connecting the sample injection part and the plurality of reactant-coating parts , each of the injecting micro channels being connected with each of the reactant-coating parts ; and characterized in that it comprises: an absorbing part connected with the reactant-coating parts and for absorbing remaining sample after reaction in the reactant-coating parts , wherein other parts than the sample injection part , the reactant-coating parts , the injecting micro channels , and the absorbing part on a plate-shaped material are formed by coating with hydrophobic wax, and a plurality of discharging micro channels connecting the plurality of reactant-coating parts and the absorbing part , each of the discharging micro channels being connected with each of the reactant-coating parts , wherein each of the injecting micro channels and the discharging micro channels has a micropillar structure , and wherein the micropillar structure is comprised of dots patterned with wax and having a regular arrangement. an absorbing part connected with the reactant-coating parts and for absorbing remaining sample after reaction in the reactant-coating parts , wherein other parts than the sample injection part , the reactant-coating parts , the injecting micro channels , and the absorbing part on a plate-shaped material are formed by coating with hydrophobic wax, and a plurality of discharging micro channels connecting the plurality of reactant-coating parts and the absorbing part , each of the discharging micro channels being connected with each of the reactant-coating parts , wherein each of the injecting micro channels and the discharging micro channels has a micropillar structure , and wherein the micropillar structure is comprised of dots patterned with wax and having a regular arrangement. <EOS>