This paper conducts an empirical analysis on advantages in the main agricultural products in Hunan using SAI、EAI、AAI.The result shows that it has a significant advantage in the production of agricultural products such as cereal grains,paddy grain,rape seed,hemp,tobacco leaf and tea leaf.This paper evaluates the competitiveness in the international market of the agricultural products in Hunan using RCA.The result shows that it hasn't formed the comparative advantage in the international mar...