Hainan is the biggest tropical province in China with ample agriculture resources; however,the income of farmers in Hainan was at a low level of China due to the tropical agriculture marketing system lagged behind development of society.The geographic position and the natural environment get a lot of influencing factors to impact the supply of tropical agricultural products and the demand of market.This paper analyzed the marketing channel,contract farming,green agriculture and tropical agricultural trade in order to find the constraints with reference proposal which might solve the problems.