The so-called accounting is to unify various useful economic businesses of an enterprise into monetary units, and provide economic information reflecting the financial status and operating results of the enterprise through a series of procedures such as bookkeeping, accounting and reimbursement.

Shanghai, referred to as "Shanghai" for short, is a provincial administrative region, municipality directly under the Central Government, national central city and megacity in People's Republic of China (PRC), an international economic, financial, trade, shipping and scientific and technological innovation center in China, and a national logistics hub. The whole city governs 16 districts with a total area of 6340.5 square kilometers. In 20 19, the permanent population was 2428140,000, the registered permanent population was1450.43 million, and the foreign permanent population was 9777 10/00,000.