Open. After querying the Cao County epidemic prevention and control documents show that: since August 15, 2022 8:00, the county orderly open canteen, residents can wear masks to the dining area. Entering all kinds of public **** place, must strictly implement measures such as temperature measurement, sweep "place code", wearing masks. Cao County is Heze City, Shandong Province, under the jurisdiction of the county, Shandong Province, one of the first 20 provincial management of the county, located in southwestern Shandong Province, in the junction of Lu Su, Henan and Anhui provinces and eight counties, with an area of 1,969 square kilometers.