1. Rapeseed supply. As the downstream product of rapeseed processing, the price of rapeseed is affected by the output and price of rapeseed, planting area, supply and demand, weather conditions and other factors.

2. Inventory situation, the amount of rapeseed oil inventory reflects the tension of supply. Rapeseed oil is not easy to store for a long time. Insufficient inventory will lead to price increase, while sufficient inventory will lead to price decrease.