According to the contract, according to the progress of the project, how much to pay first, where the progress of the project goes, how much to pay again, and finally to leave a part of the maintenance fund and maintenance money. The payment method for building a road into the factory in Linyi is based on three links, which are mainly divided into how much to pay first according to the contract and the progress of the project, where the progress of the project goes, how much to pay again, and finally keep a part of the maintenance fund and maintenance money.