recovery of out of date milk piled up at random to eat breakfast, the staple food with milk is the first choice for many people. When you get a bottle of production date marked as the day of the breakfast milk, is not it means that absolutely safe? The answer is not necessarily. Last year, Wenzhou, Zhejiang Ruian a veteran milk prices, unexpectedly a month overdue breakfast milk melted down, and modify the production date Hunchong in factory fresh milk, in less than six months time, the processing enterprises expired.