From the origin and connotation of the under-forest economy,this paper analyzed plight of the development of under-forest economy in Guangdong mountain areas. It discussed benefits of under-forest economy,favorable conditions and development path of under-forest economy in Guangdong mountain areas. Results indicate that developing under-forest economy is an essential path for realizing green growth and coordinated development of Guangdong mountain areas. However,due to terrain,market,management and technology reasons,the under-forest economy is still not fully developed in Guangdong mountain areas. The development path of under-forest economy suitable for Guangdong mountain areas should be based on ecological protection and oriented towards maximizing ecological,economic and social benefits. Guangdong mountain areas have in-born natural and resource advantages,economic pull of development mode and market demand change,and favorable condition of policy encouragement for development of under-forest economy. Finally,it came up with recommendations for development of under-forest economy in Guangdong mountain areas from development mode,industrial distribution and development direction. From the origin and connotation of the under-forest economy, this paper analyzed plight of the development of under-forest economy in Guangdong mountain areas. It discussed benefits of under-forest economy, favorable conditions and development path of under-forest economy in Guangdong mountain areas. Results indicate that that under-forest economy is an essential path for realizing green growth and coordinated development of Guangdong mountain areas. However, due to terrain, market, management and technology reasons, the under-forest economy is still not fully developed in Guangdong mountain areas. The development path of under-forest economy suitable for Guangdong mountain areas should be based on ecological protection and oriented to maximizing ecological, economic and social benefits. development mode and market demand change, and favorable condition of policy encouragement for development of u Finally, it came up with recommendations for development of under-forest economy in Guangdong mountain areas from development mode, industrial distribution and development direction.