Abstract:Based on the data of Tibetan agriculture from 1978 to 2007,this study measured the contributions made by agricultural production factors to Tibetan agricultural economic growth in terms of co-integration test,granger causality test,impulse response function,and variance analysis.The suggestions to promote agricultural economic growth in Tibet are given as follow:Speed up transferring labor from the first industry to the second and third industry;Further strengthen the construction of irrigation infrastructure;Increase investment in agricultural machinery and equipment;To implement new land system and deepen intensive cultivation;Transform the growth pattern of agriculture by implementing intensive agriculture.