Producing method of rhodotorula mucilaginosa for holothurian

The present invention relates to marine microbe applying technology and sea cucumber cultivating technology, and is especially process of producing marine rhodotorula mucilaginosa for sea cucumber. The conventional marine rhodotorula mucilaginosa is cultured in aged sea water with glucose in 1.0-3.8 wt% and EDTA-Fe in 1-3 ml/l at 15-25 deg.c, and the production process includes two stages of fermentation, centrifugal concentration and other steps. The production is simple, short in production period and low in cost, and the marine rhodotorula mucilaginosa product has high quality. The produced marine rhodotorula mucilaginosa is applied in raising sea cucumber larva to raise the metamorphosis rate and survival rate of sea cucumber larva, promote the growth of the larva and improve the ecological environment in the culture pond.