Intense and collimated neutrino beams are produced by charm and beauty particle decays from proton-proton collisions at the LHC. A neutrino experiment would be run parasitically without interrupting the LHC physics program during the collider run. We estimate the neutrino fluxes from proton-proton collisions at $sqrt{s}=14$ TeV of the LHC with the designed luminosity, $10^{34} lumi$. By mounting about 200 tons of fiducial volume of a neutrino detector at 300 $m$ away from the interaction point, about 150,000 of charged current neutrino events per year can be observable.
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