Based on the actual data of tourism income in Shandong province beginning from 1992 to 2009, this paper took the disposable income of urban residents, the number of foreign tourists, and the number of travel agencies as the major influence factors of tourism income. To study the impact of the above factors on tourism income in Shandong province, the tourist income econometric model was established and solved through econometric software Eviews 6.0. The conclusion was draw that there were significant relevance between the three factors and tourist income in Shandong province. All these findings would be useful references to improve tourism of Shandong province.