The supervision area is mainly divided into production supervision area and functional supervision area, and the production supervision area is mostly processing activities. For example, labor processing, electronics, clothing, machinery, luggage, accessories, and in some places tea cultivation.
Functional prison areas, such as training new prisoners in prison teams, monitoring prisoners under strict control by strict management teams, old disabled teams and hospital prison areas (as the name implies, being a good medical staff and helping to look after the elderly and sick prisoners), are mainly engaged in cooking, washing vegetables and distributing vegetables.