PURPOSE: To prepare a healthful drug capable of improving circulation of the blood, keeping the body alkali, and maintaining the health, by baking egg-shells into dark brown, grinding them into 300W400 mesh powder, followed by using them alone or together with alkaline vegetables or seaweeds.

CONSTITUTION: Egg-shells are baked by a roaster until it changes into dark brown, ground into about 300W400 mesh powder by a mill, and used directly or together with vegetables, e.g., soybean, spinnach, shiitake (mashroom, etc.,) seaweeds, e.g., wakame seaweeds, etc., having sufficient alkalinity, to give a healthful drug for keeping good health.