The invention discloses a circulation method for recovering organic acid from organic acid lithium waste water. The circulation method is characterized in that the waste water is generated by lithium deintercalation in a lithium system polymer glue solution through organic acid; solvent and acidifying agents used for polymerization reaction of generated lithium system polymers are added into the waste water for acidifying reaction with organic acid lithium in the waste water, and the pH value of an acidifying reaction endpoint is controlled to be within 3.0-6.9; the organic acid is extracted to be recovered through the solvent, and oil phases obtained after layering are returned into the process of lithium deintercalation of the organic acid. The method can be used for using the original organic acid in a lithium system polymer glue solution lithium deintercalation unit in a circulating mode after the organic acid lithium waste water is treated and restored, meanwhile, COD in the waste water can be effectively reduced, and corrosion to equipment in the treatment process is greatly reduced; the lithium deintercalation cost in the lithium system polymer technology is effectively lowered.