广告，能使积压商品得以售出，产品知名度大大提高；可使技术进入市场，创造更多的经济价值。然而，一些别有用心的人，将眼睛不怀好意地盯上了广告，利用广告干起了种种不可告人的诈骗勾当。邮购，作为商品流通的一种方式，把买卖市场从商店延伸到顾客家庭之中，消费者足不出 Advertising, can make the backlog of goods to be sold, greatly enhance product visibility; technology can enter the market and create more economic value. However, some people with ulterior motives, eye malicious eye on the ads, the use of advertising has done all kinds of unscrupulous fraud. Mail order, as a means of circulation of goods, the sale of the market from the store extended to the customer family, consumers can not leave