Do not include virus and bacterium by microorganism the object of the present invention is to provide a kind of highly-safe and oyster, oyster and be fresh and have that nutritive value is high, and be that available annual state is identical, oyster is from the seasonable period. One kind is provided for cultivating oyster in land, the method includes growing into adult oyster larva to through feed comprising deep sea water comprising microdisk electrode water tank in the water of deep-sea to oyster larva in marine shellfish. Specifically, it provides a kind of for cultivating oyster in land, it include the horizontal or vertical rope that is suspended on of seedling collector by allowing to flow in series through system in the water of deep-sea without stagnating or repeatedly allow in the water of deep-sea to stagnation and continuously flow through the system the method includes growth oyster suspension system, without 30 °C 10 °C of seawater in stagnant absolute atmosphere given interval absolute atmosphere to 18 months 5 ages.
