In recent years, the constant issues of product quality stimulate every consumer's nerves in modern commercial society. The awareness of Marx's theory on commodity and currency as well as modern technology on commodity production can make in-depth understanding of the causes of the commodity quality problems in business community. The use value of Commodity-producing (quality) is not the ultimate goal of businessmen; it is just the means for merchants to get money. Similarly, the blind pursuit of modern technology to increase production on commodity production, to a certain extent, will ignore the product quality. Modern technology and commercial production is essentially a computational behavior. Therefore, businessmen pursuing the nature of interests and modern technology to improve product quality stretched have certainly led to a decline in the product quality. Because of this internal conflict, no supervison and punishment mechanism in the modern business society can completely eradicate this problem.