Circulating type photobioreactor

The present invention provides a circulating type photobioreactor. The circulating type photobioreactor comprises a first culture part, a second culture part and a pump part used for connecting the first culture part and the second culture part. The first culture part comprises a culture pot used for supplying a medium and a first light source which irradiates the inner culture pot and is coupled with the culture pot. The second culture part comprises a culture tube arranged outside the culture pot used for supplying the culture from the culture pot and a second light source which irradiates the inner culture tube and is coupled with the culture tube. The pump part is connected with the first culture part and the second culture part for circulating a culture solution between the two parts.