Method for deducted settlement by getting merchant coupon for parking user

The invention discloses a method for deducted settlement by getting a merchant coupon for a parking user, and the method is suitable for being executed in an intelligent mobile terminal. The intelligent mobile terminal is wirelessly connected with a server. The server is provided with a database, and the database comprises a parking order of a user ID and a deduction discount receiving data form; a signed merchant ID management data form and a coupon form are also included, a cooperative merchant completes signing, berths in a merchant operation area range is specified as a preferential deduction range, and a time period in which coupons can be get for deduction is set; and then the merchant performs self-recharging on the discount deduction amount, the parking user scans the code in the specified cooperative merchant and registers the license plate number, and the server automatically completes coupon receiving and order deduction discount billing processing according to the coupon receiving rule. The parkin