This paper analyzes the impact of novel coronavirus pneumoniaon price stickiness by using high frequency price data.The results show that the business will join the consumer sentiment to make the price strategy. The commodity price converges to a stable state after staggered adjustment in accordance with fair pricing. Commodity price shows low price stickiness. The impact of emergencies on commodity price is relatively limited. The government can use commodity price to compile big data price indicator which reflects market changes and optimizes resource allocation. It should also accelerate the digitization of consumption and optimize the online trading environment. Besides, warning mechanism should be established to deal with emergencies.