Yushu City Food and Drug Administration September 3, 14:10 received a report (state red flag elementary school side door opposite the Jiuding Beef Noodle House, dining found beef noodles within the "pink stockings"), after the attendance of the scene investigation, and extract video surveillance did not find any operation process is not standardized behavior, and the back of the kitchen hygiene standards, operating standardized, did not find practitioners any personal belongings left in the back kitchen phenomenon. Another state TV station and the city Food and Drug Administration under the supervision of law enforcement officers for many experiments, stockings after high-temperature gas steaming is still floating on the surface of the broth. And the scene call back to the reporting officer to investigate the situation, the reporting officer denied: "I have not reported any food and beverage units, the phone was borrowed by others, and with the use of people do not know each other."

13:48 whistleblowers into the Jiuding Beef Noodle House ordering, 13:50 back kitchen workers began to make "beef noodles", 13:53 finished products on the table, 14:05 whistleblowers found the bowl of "pink stockings," and To the person in charge of the catering unit accountable.

After further investigation of Jiuding beef noodles are high-temperature steam noodles, pulling noodles, steaming noodles, pouring soup operation process can be completed in 3 minutes, during which the operator did not have any suspicious behavior. The finished product on the table, the whistleblower in nearly 10 minutes of time did not find the bowl stockings.

The city Food and Drug Administration based on the nature of the case is maliciously framed complaints, did not Jiuding Beef Noodle House to give administrative penalties. On the case in the community caused serious adverse impact, Jiuding Beef Noodle House business reputation is damaged, the City Food and Drug Administration in accordance with the law, the case will be transferred to the Municipal Public Security Bureau for further investigation.