扼要介绍拍卖和招标两种特殊买卖方式的做法。说它由来已久 ,在现代经过充实完善而成为现代化的买卖方式。它有实现公开、公平、公正、诚信原则的传统作用。在我国体制转变时期又具有防范腐败的新作用 ,应大力普遍推广。 Briefly introduce the auction and bidding two kinds of special trading methods. It has long been a modern way of buying and selling in the modern era through enrichment and perfection. It has the traditional role of the principle of openness, fairness, justice and good faith. In the period of institutional change in our country, it also has the new role of preventing corruption and should be vigorously and universally promoted.