This thesis is to determine the Mechanism of Determining the Auction Price and the Factors Influencing the Purchase of Gold Pawn Auctions at the Sibolga Pawnshop Branch. The purpose of this paper is to find out the mechanism for determining the auction price of gold pawned goods at PT. Procurement of the Sibolga Branch, and To find out the mechanism for determining the auction price of gold pawned goods and its application at the Procurement of the Sibolga Branch. This research uses a descriptive type with a qualitative approach that emphasizes the disclosure of meaning and processes related to the behavior and social actions of the local community and the city government. The results obtained are the auction price mechanism at PT. Pegadaian Sibolga Branch has used the principle, where if the customer's collateral has matured, the pawnshop informs the customer that the collateral is due, but the customer does not extend it, the pawnshop conducts an auction, to determine the auction price of the collateral in the economy which must be It is important to note that the first to look at the base price of the gold auction, do a re-estimation, try to sell the auction as high as possible, where PT. Pegadaian Sibolga Branch has used it. The factors that influence consumers to decide to buy gold pawn auction goods from PT. The Sibolga Branch Pawnshops are (1). Price, (2) Service, and (3). Promotion.