通过考察复方硼砂溶液的含量变化、溶液的ｐＨ 值、颜色的变化，分析复方硼砂溶液在聚乙烯塑料容器中贮存的稳定性。由于苯酚的不稳定性和塑料容器对酚可能产生的影响等，使苯酚含量逐渐下降，溶液ｐＨ 值逐渐升高和颜色的逐渐加深，提示用塑料容器贮存该溶液在常温下不超过四个月。 The stability of borax solution in polyethylene plastic container was analyzed by investigating the content of compound borax solution, the pH and color of the solution. Due to the instability of phenol and the plastic container may have a phenolic effect, so that the phenol content decreased, the solution gradually increased pH and color gradually deepened, suggesting that the plastic containers stored in the solution at room temperature less than four months .