Present disclosure provides a kind of for cultivating aquatic microorganisms and for harvesting the microorganism or the production equipment of its product, the equipment includes at least one process units, at least one described process units includes: at least one fed reservoir with the microorganism charging culture as microbial inoculant object And multiple at least N/M produce reservoirs, N is to feed culture inoculation production reservoir and from the number of days between identical production reservoir harvest microorganism or the expection day of its product and M is the number of days in the process units between subsequent inoculations day Described device is operable to (i) every one production reservoir of M days and is harvested, and (ii), in same day or the one day between harvest day in succession, at least one production reservoir is inoculated with by the charging culture from the fed reservoir.
