The present invention relates to a VAN system for knowing workers income, which comprises an employer-owned electronic financial terminal which is located at the place of salary payment and reads a cash card of a worker, a VAN server which is connected with the electronic financial terminal via communication network and receives the information on the cash card of the worker from the electronic financial terminal and transfers the information on the cash card of the worker to a bank server, and a bank server which receives the information on the cash card of the worker from the VAN server and transfers salary to the worker's account via electronic transfer and notifies NTS of the amount of the salary in real-time or in a way predetermined by NTS, and thereby provides a VAN system which can exactly track workers' income and can pay premiums for the four social insurances of workers and employers effortlessly and can transfer money to a designated account such as an employer's business account more conveniently.
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