1、提供的每餐、每样食品都必须同专人负责留样；

2、每餐、每样食品必须按要求留足100克，分别放在已消毒的餐具中；

3、留样食品取样后，必须立即放入完好的食品罩内，以免被污染；

4、留样食品冷却后，必须用保鲜膜密封好，并在外面标明留样时间；

5、食品留样必须立即密封好、贴好标签后，必须立即存入专用留样冰箱的保鲜。

1. Each Meal And Food Must Be Reserved With The Special Person;

2. Each Meal And Each Food Must Be Kept For 100 Grams, And Placed In Disinfected Tableware;

3. After Sampling The Sample Food, It Must Be Put In The Intact Food Cover Immediately To Avoid Contamination;

4. After Cooling The Sample Food, It Is Necessary To Seal It With Plastic Wrap And Mark The Time Of Retention.

5. Food Retention Samples Must Be Immediately Sealed And Labeled, And Must Be Stored In A Special Retention Sample Refrigerator Immediately.