  The beauty hadron decays is unique laboratory to study charmonium and
charmonium-like states, such as the $\chi_{c1}(3872)$ meson, other exotic
states and the tensor D-wave $\psi_2(3823$) states. However the nature of many
exotic charmonium-like candidates are still unknown. The most recent LHCb
results related to b-hadron decays to charmonium states and obtained using
large data samples collected during the Run 1 and Run 2 periods are presented.
This includes the most precise determination of the mass and width of the
$\chi_{c1}(3872)$ state using the $B^{+} \to J/\psi\pi^{+}\pi^{-}K^{+}$ decays,
observation of a resonant structure denoted as X(4740) in the $J/\psi \phi$
mass spectrum from $B^{0}_{s} \to J/\psi\pi^{+}\pi^{-}K^{+}K^{-}$ decays and
the precise measurement of the $B^{0}_{s}$ meson mass.
