Part I Fundamental Theory of Lattice Boltzmann Method -- Chapter 1 Introduction -- Chapter 2　Fundamental theory of lattice Boltzmann method -- Chapter 3　Implementation of boundary conditions -- Chapter 4　From Lattice Boltzmann Equation to Fluid Governing Equations -- Chapter 5　LBM-based large-eddy simulation (LBM-LES) -- Chapter 6　 From LBE to LBM：Using LBM to solve problems -- Part II Practice of LBM-LES in Built Environment -- Chapter 7　 LBM-LES in ideal lid-driven cavity flow problems -- Chapter 8　LBM-LES in isothermal indoor flow problems -- Chapter 9　LBM-LES in outdoor wind environment around a single building -- Appendix.