Pharmaceutical, cold chain food. Xichuan County, which belongs to Nanyang City, Henan Province, is located in the southwest border of Henan Province and the golden zone at the junction of Henan, Hubei and Shaanxi provinces. It is named after the 100-mile-long alluvial plain river passing through the area. Tang, deputy head of Xichuan County, was in charge of grain, went deep into some pharmacies, cold chain food business households and fruit wholesale markets in the city, supervised the epidemic prevention and control work in the field of market supervision, and checked the implementation of various measures for epidemic prevention and control.