The official start-up time of Hebei Golden Tax Phase IV is 202 1 August1. Compared with the third phase of golden tax, the fourth phase of golden tax has changed a lot. It not only supervises the tax, but also comprehensively supervises the "non-tax" business of enterprises, and realizes the information sharing of participating institutions, which is more timely and efficient, and further realizes the three functions of internal staff's mobile phone number, enterprise registration information verification and enterprise tax payment.