The earthworm liquid manure and its manufacturing method according to the present invention include a mixing step (S100) of mixing organic germanium ion water, molasses, and earthworm powder; An addition step (S200) of adding earthworm powder to the mixture in which the mixing step is performed; An aeration step (S300) of aeration of oxygen to the mixture subjected to the addition step to elute the water-soluble component of the earthworm powder and the earthworm powder; Fermentation in which the mixture subjected to the aeration step is transferred to a fermentor, and further added starfish extract, EDTA-FeNa metal complex, EDTA-ZnNa2 metal complex, and B (boron) compound to ferment for 48 to 72 hours under supply of pure oxygen or concentrated oxygen. Step S400; Fermentation step (S500) of fermenting the remaining amount of the unfermented mixture by transferring the fermented mixture to the fermentation tank; Filtration step (S600) of filtering the mixture subjected to the aging step to remove solids; And a storage step (S700) of storing the mixture obtained by performing the filtering step.
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