Eight factors: First, the supply of urea in the international market is tight and the price is high; Second, the operating rate of domestic enterprises is low, and the amount of urea resources in the market is reduced; Third, the total urea production capacity decreased in the first half of the year, and the new production capacity was delayed in the second half of the year; Fourth, the urea inventory of enterprises and society is at a low level; Fifth, there are certain variables in the policy next year, and the fertilizer value-added tax may be restored; Sixth, the price of industrial natural gas is raised; Seventh, the international demand for urea is large; 8. China is still a low-lying place in the international market, and its export price has a competitive advantage.