NOVELTY - An Enteromorpha organic matter highly efficient extracting method involves taking Enteromorpha drying, grinding, adding drinking water, heating, pulping, adding hydrochloric acid, adjusting pH, adding endo- beta -glucanase, exo- beta -glucanase, beta -glucose clover enzyme and cellulase, reacting, adding neutral protease, papain protease, pectin lyase and pectin esterase, reacting, heating, centrifuging, adding lime water, adjusting pH, filtering, adding hydrochloric acid, adjusting pH, adding sodium chlorate, filtering, purifying, and eluting with sodium hydroxide solution.    USE - Enteromorpha organic matter highly efficient extracting method used for organic fertilizer (claimed).    ADVANTAGE - The method is simple, low-cost, energy efficient and suitable for industrialization.    DETAILED DESCRIPTION - An Enteromorpha organic matter highly efficient extracting method comprises taking Enteromorpha drying, grinding, adding 7-8 times drinking water, water bath heating at 50-60 degrees C for 2-3 hours, pulping, adding hydrochloric acid, adjusting pH to 5-6, adding 45 wt.% endo- beta -glucanase, 30 wt.% exo- beta -glucanase, 25 wt.% beta -glucose clover enzyme and 0.3-0.5 wt.% cellulase, reacting for 7-8 hours, adding 55 wt.% neutral protease, 45 wt.% papain protease comprising 0.3-0.5 wt.% protease, 55 wt.% pectin lyase, and 45 wt.% pectin esterase comprising 0.2-0.3 wt.% pectinase, reacting for 4-5 hours, heating at 70-80 degrees C for 10-15 minutes, centrifuging, adding lime water, adjusting pH to 7-8, filtering, adding 5 M hydrochloric acid, adjusting pH to 2-3, adding 0.2-0.4 wt.% sodium chlorate, filtering, purifying via alkaline anion exchange resin, eluting with 10-15 wt.% sodium hydroxide solution, adding 10 M sulfuric acid, adjusting pH to 2-3, centrifuging, adding 2-3 mg/mL lime water, adjusting pH to 7-8, filtering, concentrating, precipitating with 95 wt.% ethanol, centrifuging, adding 10-12 times 2-3 wt.% sodium carbonate solution, water bath heating at 50-60 degrees C for 2-3 hours, adding 4-5 times drinking water, diluting, heating at 50-60 degrees C for 1-2 hours, filtering, adding 0.3-0.5 wt.% hydrogen peroxide, decoloring at 50-60 degrees C for 1-2 hours, heating at 70-80 degrees C for 10-20 minutes, filtering into 250-280 mesh, adding 2-3 times 10 wt.% calcium chloride solution, standing for 1-2 hours, filtering, washing with drinking water, adding 10-15 times purified water and 2-3 times 10 pts. wt. sodium chloride solution, carrying out ion exchange water bath at 50-60 degrees C, and precipitating with 95 wt.% ethanol.