At the same time of tending forests, it is necessary to explore the under-forest economic development mode, bring into play production function of economic plants, establish cultivation mode of edible fungus, wild vegetables and medicinal plants under forest, to obtain certain economic benefit in short period. This paper made a preliminary study on significance and existing problems of the under-forest economy, and came up with several interplanting patterns, in the hope of providing a comprehensive operation and cultivation approach for developing the under-forest economy.