On January 8, the styrene market rose slightly. Crude oil rose sharply, driving the price of pure benzene higher, international ethylene rose, driving the spot offer strong, styrene cost support surface is strong, night styrene weak callback, reducing position downward. After entering January, the inventory of northern styrene enterprises dropped, the impact on East China arbitrage weakened, the price of production enterprises rose again, and the cost support and some downstream replenishment transactions supported the high opening of the market. And the terminal inventory continued to rise, the emergence of class library, on-site supply increased. The overall downstream production and sales declined, but some of the downstream began to prepare for the holiday in succession. The market transactions were improved, and the price rise of production enterprises followed up. Today, the price of styrene in East China was raised to around 6500-6600 yuan / ton. The price is around 6300 yuan / ton in Northeast China and 6550-6600 yuan / ton in South China. In the case of strong oil price, US dollar support is obvious, and short-term oil price is strong. It is expected that styrene will still have room to rise in the short term.