The foamed wood-plastic material is produced with plastic, wood dust, mineral stuffing, assistant, modifier, foaming agent, etc. in certain proportion and through mixing, heating to fusion, foaming and forming in a heat forming apparatus. It has continuous homogeneous pores, and is light, high in specific strength, waterproof, anticorrosive and heat insulating, and may be nailed, sawn and planed, so that it may be used widely in building, transportation, packing, household decoration and daily use articles.