[PROBLEMS]To take a food, which has been grown in appropriate soil, raw. [MEANS FOR SOLVING PROBLEMS] A health food diet wherein un-hulled or hulled cereals such as rice and barley, miscellaneous grain crops, beans, potatoes, leaf vegetables, fruit vegetables, leaf and root vegetables, root vegetables, citrus, fruits, watery fruits, marine algae, moss and so on are taken either as such or after adequately processing, after powdering or soaking in water, to such an extent as not disrupt cells (even in the case where cells of leaf vegetables are disrupted, the root, stem and leaf are pressed either whole or as a part thereof to give juice) without heating, cooking or steaming, or alternatively these cereals, miscellaneous grain crops or beans are soaked in water and taken in the germinating state or before or after germination without heating, cooking or steaming.