With the population growing and the acceleration of industrialization, the contradiction isgraveness between increase of lipid demand and shortage of natural source. The energy crisisand the resulting environmental pollution has become important problem that continued toplague human health, survival and development. Microbial lipid becomes a new type of lipidresources which has broad application prospects. Cellulose is aplenty reclaiming biopolymerson the earth. But80%of cellulose was not utilized or utiliz...