For the coefficient matrix A being H-matrix of linear equations
the preconditioning matrix I+Wβ was introduced.Through the elementary row transformation of the coefficient matrix
a new preconditioned Gauss-Seidel method was proposed to solve the linear equations.If A is an H-matrix
then(I+Wβ)A is also an H-matrix.The convergence theorem was also obtained.It theoretically proved that the new preconditioned Gauss-Seidel iterative method converges faster than the classic Gauss-Seidel iteration method.Numerical example showed the validity of the new precondition Gauss-Seidel iteration method.