The common defects of UHT milk such as:fat separation, coagulation, sour package, blown package and bitter package were investigated, meanwhilesolutions in regarding to those issues were discussed.

• 分析了超高温（UHT）个乳常见的缺陷，如脂肪上浮、凝块、变味、酸包、涨包、苦包等产生的原因，同时针对各种缺陷探讨了解决问题的办法。