This study employs both natural and social sciences methods. Based on a series of data collected by the field investigation, analysis in laboratory and social economic data, the environmental problems and its main influencing factors along the coast of Guangdong province was discussed. The results indicate that red soil environment in the coast had 3 important problems,which were soil degradation and pollution, soil erosion and soil hazard,the main influencing factors were the physical and chemical properties and mineral composition of red soil, climate and meteorologic changes and man made activities. The human activity was result in deterioration in red soil environment today.