Can Dingxi Health Link backstage only find the scan code record of the day?

Not just that day. Dingxi Health Link can save data in the background, so it is not only that day that you can find the scan code record. Dingxi, commonly known as "Longzhong", is a prefecture-level city under the jurisdiction of Gansu Province, an important node city in the Gansu section of the Silk Road Economic Belt, and a central city in Longzhong approved by the Gansu Provincial People's Government.