A kind of structure of ground coffee comprising: a coffee powder and a clad； Wherein, which is ground into the uniform powder of particle by grinder by coffee bean and is constituted； And the cladding series of strata one are made of food powders, by blender in a manner of stirring at low speed, and are uniformly coated on the surface of each powder particle of the what coffee powder； Thereby, it through the structure of the clad cladding what coffee powder, enables the coffee powder surface that can completely cut off and is contacted with air, use the purpose for reaching fresh-keeping.一種咖啡粉之結構，其包括：一咖啡粉末及一包覆層；其中，該咖啡粉末係一由咖啡豆藉由研磨機研磨成顆粒均勻之粉末所構成；而該包覆層係一由食物粉末所構成，其藉由攪拌機以低速攪拌方式，而均勻包覆於該咖啡粉末之各粉末顆粒的表面上；藉此，透過該包覆層包覆於該咖啡粉末之結構，令該咖啡粉末表面可隔絕與空氣之接觸，藉以達到保鮮之目的。
