First, the current domestic vegetable oil expeller are at historically high levels, while the market is in the traditional consumption season, go to libraries of a long-term process, inventory pressures will persist. Second, more than one-third of Brazil's soybeans have been harvested, South yield uncertain situation, the market is expected to supply pressure will further lower the cost of imported soybeans. Three South American soybean market, the international market of soybean oil supply will rise, but weak demand for biodiesel, vegetable oil demand growth slowed, which will allow the international market oil prices continue to weaken. Four meals based on the current price estimates, the current order of the South American soybean crush lucrative, which will increase their imports of South American beans initiative, thereby increasing the supply of domestic soybean meal and soybean oil, vegetable oil demand flat in machine for pellets case was weak medium-term oil price . Bullish factors: First, the Brazilian soybean faces concentrated market, the Brazilian port logistics Sinotrans may become a bottleneck. Second, the domestic soybean oil futures prices fell sharply in the week after the short-term technical rebound, and passed to the spot market may be.