Abstract: Coastal erosion is becoming more and more serious nowadays under the impact of sea level rising, in particular for sandy coasts. Based on the survey data from Langqin Bay and Wangtou Bay in Taishan of Guangdong province, this article is devoted to some case studies of current coastal erosion and their influence factors. According to the detailed investigation of data, it is suggested that storm surge and human factors are the main contributors to the present sandy coast erosion. Upon the consideration of the current process, recommendations are proposed for consideration by other coastal areas facing similar threats and challenges.