In 2019, the natural rubber market condition was always shocking, the price went upward and downward for several times, in which the highest price was 12290 Yuan/ton on December 6 while the lowest price was 10260 Yuan/ton on August 2, and the largest vibration amplitude of the year was 19.79%. Since the rubber price was always low, the market risk was enlarged and the mode of transaction was irregular, the event of black swan of “shutdown” of main rubber trader Chongqing General Trading Group occurred in September, which had a large impact on the domestic and overseas natural rubber upstream and downstream markets. The monthly output of rubber chemicals had large fluctuation to form a V-shape trend, and the market price also fluctuated along with the output. According to the statistics of China Rubber Industry Association, in the first ten months, the average price of rubber chemicals fell from 18600 Yuan/ton to 14500 Yuan/ton to hit a low in three years. Affected by market demand and supply and environmental protection policy as well as upside-down of selling price of the products and the price of raw oil, carbon black market continued the downward trend of the fourth quarter in last year, the industry profit fell sharply. According to the statistics of China Rubber Industry Association, in the first three quarters, the industry profit had a year-on-year sharp fall of 93.19% and the operating income and profit of the main listed companies sharply declined.