The present invention relates to injection solution, including organic solvent, the copolymer and active constituents of medicine that are dissolved in the organic solvent, the copolymer is poly- (lactide-co-glycolides), the active constituents of medicine is the non-nucleosidic inhibitors of hiv reverse transcriptase or the non-nucleosidic inhibitors of hiv integrase, it includes aromatics and heterocyclic aromatic or aromatics and heterocyclic aromatic and aliphatic heterocyclic group, wherein the content of the active constituents of medicine is about 8 to about 25 weight % of the copolymer solution.