This data is the inspection data from 2018 to 2022 in QHSE management system of PetroChina Company Limited Anhui Branch.QHSE management system is developed from Deming Ring (PDCA cycle), which is also known as the cycle of planning, executing, checking and processing, of which checking is an indispensable part.QHSE is the acronym of Quality, Healthy, Safety and Environmental.The inspection covers all aspects of enterprise's safety production.