Abstract: Accurate mastery of the lunar surface channel characteristics is crucial for the smooth progress of lunar exploration missions and the precise transmission of scientific data. In this paper, a realistic lunar environment near Shackleton Crater at the lunar South Pole is simulated, and environmental models such as a lunar simulation base, craters, and lunar exploration vehicles are constructed. Detailed simulations and discussions of wireless channels at different frequencies (500 MHz and 23 GHz) are conducted based on the ray-tracing method. By comparing and analyzing channel parameters, such as path loss, shadow fading factor, Rician K-factor, root mean square delay spread, and angular spread, the critical characteristics of communication channels in specific lunar environments are revealed, enriching the theoretical understanding of lunar surface communication channels.