High boiling aromatic solvents is made of aromatics reformedaccording to the international standard on producing arenesolvents featured by strong solvency, low toxicity, little odor,high boiling point, slow volatilizing, no water and olefin, nochlorine and heavy metal, with stable chemical physicalcapability, good liquidity and excellent solubility, especially inthe posterior step of evaporation, as a result of enabling theevenness of painting films better, luster more bright, and noorange-peel phenomenon; and also can be used as cleaningagents for precision machinery or adjuvants for preparingpesticide emulsifying agent