This research examines the relationships between HRM practices and performance of manufacturing SMEs in Ha Noi. Questionnaires were sent to CEOs, business owners, or human resource managers at 300 manufacturing SMEs in Ha Noi, 245 responses were collected and 200 qualified responses were left after screening. The findings indicate positive relationships between training, performance appraisal, incentive compensation and performance of manufacturing SMEs in Hanoi. This study partly clarifies the conflicting results of the previous studies on the relationships between training, performance appraisal, incentive compensation and firm performances.