The invention provides a solid refreshment agent. The agent plays a role of refreshment by changing the original components, adding the refreshant caffeine, taking the volatile silicon oil as the carrier to volatilize the caffeine and the essence in the air, taking the flavor of the essence as external embodiment and ensuring the volatilized substances to carry the caffeine factors on the basis of the conventional solid refreshing agents. The agent has the advantages of obvious effect, good volatility, simple formula, economy, practicability, environmental protection, sanitation and the like,is simple and convenient in processing, is especially suitable for the drivers working at night and helps vast drivers to get rid of fatigue and doze, thus integrating economy, practicability and sociality.