Korea is a peninsular country surrounded by seas on three sides, and the fishing industry has carried out the service of suppling to the people with important anima protein. The distribution of fishery products has very complicated structures, because the production is in charge of small producers scattering along the coast all over the country, while consumpstion is made by separate homes in areas away from producing district. The relation between these two factors the structures make very complicated. The most typical and special structures of fishery distribution are distinguished in two, that is, one is landing market, the other is inland market. Landing markets have been monopolized by fishermen`s cooperatives, providing with landing facilities and building sites. Fish markets played not only an important role in the landing, but distribution and price determination of catches by auction or tender. Inland markets are two types of wholesale market in consuming center, one is the terminal market for urban consumers, the other type is the local market for rural consumers. Fundamental functions of landing markets are gathering, assessment, and distribution functions. Gathering function is in charge of wholesaler in fishery cooperative. Gathering amounts are equal to gathering capacity of wholesaler and transact ability of licensed dealers as shown below model. Gathering amount =f·gathering capacity(=pre price·landing facility·account of wholesaler·distance of fishing ground·conveniency purchasing·home port)=f·transact ability of licensed dealers ≒f·population of port, and table 1 indicates these relationship. Assessment and distribution functions are in charge of licensed dealers in consumption side. Assessment function should bring the value in production activity through the auction between the cooperative seller and the licensed dealer as buyer. For fair trade transaction in auction, the free competition is supposed to be a prerequisite among the licensed dealers. The ideal condition for free competition is sameness in the scale of buying amount by licensed dealers, but it is almost impossible to attain its goal in actual marketing. For free competition, a normal distribution of licensed dealers scale is needed. Frequency distribution of scale, as shown in table 8, has the definite propensity of the skewness to the small. Regression equation of ranking and buying amount is shown in table 9, in the semi-log curve. Its reliance is about 95% of the actual buying amount of licensed dealers in Busan Fish Market. There are a number of similar concepts, i.e., middleman, jobber, bidder, commission merchant, broker etc., but these concepts do not exactly correspond to the idea which is supposed to express the intermediary nature of the licensed dealer above. The bidding and other transactions of the licensed deales are on the basis of the self accounting and self risk. The landing markets where the landing of more than ordinary catches is expected are divided into two types. One is L.D.Wholesale, who deal with inland forwarding. The other is L.D. retail, who sell to retailer in the market around the port. The diverging point of distribution function in licensed dealers is shown in the fig.3. The point A is buying amount of ranking 1 and total amount of buy is △ oAa, the line Aa was determined according to them. The point b is number of total licensed dealers, and total amount of buy is △ oBb, the line Bb was determined according to them. The point P is expected to be compromise point between large and small scales. And it is also diverging point of fowarding to inland market and selling to the near retailers. The range from O to Xm indicates L.D. wholesale, that from Xm to b is L.D. retail. L.D. wholesale actually gets revenue on commission basis and L.D. retail on commercial basis, as shown in table 11. For achieving efficiency of marketing, L.D. retaile should not get revenue on commercial