Abstract: Biomass slurry refers to a slurry in which organic matter is initially processed and a small amount of water is added.Recycling and centralized treatment of biomass slurry through pipeline transportation is an efficient，energy-saving and environmentally-friendly transportation method with broad application space and development prospects.During pipeline flow of slurry，pressure loss will be caused due to nature and internal structure of slurry，relative motion between particles inside slurry，and friction between exterior and inner wall of pipe，resulting in a decrease in energy delivered.Biomass slurry was divided into four categories：sludge，livestock manure and waste slurry，biomass composite slurry and kitchen waste slurry.Rheological properties、research methods、affecting factors and rheological mechanism of biomass slurry were summarized.Especially，advances and latest research findings in research on influencing factors of rheological behaviors and rheology model mechanisms were described in detail.Shortcomings and problems existing in current research were also pointed out and some future works were suggested.