Under the background of tourism affected by the fog and haze, this study takes Xi’an as a case, focuses on the tourists’ type and behavior, and forms the following conclusions. The tourist can be divided into blunt type, normal type and sensitive type based on the perception to the fog and haze. The blunt type has demographics of male, elderly people, lower educated, low income, and from the North of China. The sensitive type has demographics of female, single, middle-aged, higher educated, and from the South of China. The blunt and sensitive types who pay less attention to the fog and haze in the before travel stage, have a rational willingness behavior, and have a significant increase on the attention rate to future decision after this travel. But the sensitive type prefers to the quality and healthy behavior in the stage of during tour.