Beauty Production Overview from Tevatron to LHC

We present a comparative analysis of heavy quark production mechanisms at high energies. The consideration includes perturbative chromodynamics in second and third orders, the phenomenological flavour excitation and parton showering mechanisms, and Semihard theory. In each case we compare the theoretical calculations with the Tevatron data, discuss the model uncertainties and judge the validity of the corresponding approach. Finally, we present the predictions on the production cross sections and the momentum distributions of heavy quarks and decay leptons for LHC conditions.