供应商是日常生活中最常见的市场交易主体。在我国已全面开放的市场行业中竞争比较充分,未形成寡头垄断格局,但在各行业已出现许多占市场份额较大的供应商,在同行业竞争中极具竞争优势及行业话语权,取得相对市场优势地位。本文将从纵向和横向两方面阐述大型供应商滥用相对市场优势地位的危害,并对完善相关立法提出建议。 Suppliers are the most common market transactions in everyday life. In the fully open market of our country, the competition in the market is relatively full, and no oligopolistic pattern has been formed. However, in many industries, many suppliers with large market share have emerged. They are highly competitive in the industry and have the right to speak in the industry. Relative market dominance. This article will explain the harm caused by the abuse of relative dominant position of the market by large suppliers both vertically and horizontally and make suggestions on perfecting relevant legislation.