This study analyzes the case in BSC Vietnam located in Long Thanh, Dong Nai, Viet Nam and focuses on the problem in the Testing and Production Department. The symptoms are high turnover rate. The symptoms analysis was conducted by intake meeting with the analysis of quality and qualitative research based on primary data from the company. Some potential cause was found out based on the analyzing result, then the main problem was discovered. Next steps are to list out some potential causes and find the main cause. This study also proposes some alternative solutions for BSC and choose one solution that is suitable for the Department at present. Based on the current issue at Testing and product Department of BSC Vietnam, this research is useful and critical for Human resources and Department can improve the situation. Due to the confidential information, the real name of company could not be disclosed.