1. Personal income tax refund shows that the treasury processing means that the tax authorities have submitted your tax refund application to the treasury department, which is processing it according to regulations.

2. The national treasury is referred to as the "national treasury" for short. The custodian and cashier institution of the national financial revenue and expenditure. The state can either set up an independent treasury within the financial organ or entrust the national bank to act as an agent. China implements the national treasury system managed by the People's Bank of China.