The battle to forecast the number of foreign workers in southern Case Study: Songkhla, Phuket and Ranong, with the objective to study the likely number of foreign workers in Songkhla, Phuket and Ranong to guide the policy of the government agencies. The private sector This study used quantitative research methods, using tools to analyze the time series analysis (Time Series Analysis). By using component which use secondary data on a monthly total of 104 sets of data between January 2550 and August 2558. The study found that the overall trend of migrants in southern Case Study: Songkhla, Phuket and Ranong increase in the ratio is not much. As economies in the South during the two years after the downturn . The private sector has limited production up. Fisheries are more stringent measures . But in the meantime, the construction industry , including the tourism sector . Continues to expand Results from the open country . This is another factor that makes the economy in the South have remained stable . In one of the business cycle. For movement disorders, is not found in this study and forecast the trend of foreign workers in southern Case Study: Songkhla, Phuket and Ranong during the year 2558-2559 . It has been rising steadily . And tend to be higher in the long term .