The　lattice　Boltzmann　method　and　Herschel-Bulkley　model　were　combined　to　establish　a　three-dimensional　simulation　model　of　V-funnel　test　for　fresh　concrete.　The　variation　of　the　flow　field　in　V-funnel　test　was　explored,　and　the　method　of　evaluating　the　filling　ability　of　concrete　was　optimized.　The　experimental　results　showed　that　the　accuracy　of　numerical　simulation　of　V-funnel　test　was　high,　whose　error　was　less　than　6%.　Based　on　the　V-funnel　test　model,　the　effects　of　rheological　parameters　on　the　test　process　and　results　were　discussed　and　analyzed.　The　results　demonstrated　that　the　increase　of　rheological　parameters　prolonged　the　discharge　time.　The　average　velocity　uV　at　the　termination　of　V-funnel　test　was　proposed　as　an　indicator　to　quantitatively　evaluate　the　filling　ability,　and　a　new　method　was　established　to　qualitatively　determine　the　shear-thickening/　thinning　characteristics　of　fresh　concrete　during　the　V-funnel　test.