There are more concerns for academic and practical professionals on intimate partner violence risk assessment recently. In Taiwan, a couple of risk assessment programs regarded to intimate partner violence have been initiated. However, how should intimate partner violence risk assessment be conducted? It's still under discussion. This paper reviewed literature and categoried four intimate partner violence risk assessment methods: unstructured clinical assessment, actuarial assessment, victim's assessment, and multiple-agency risk assessment conference. Via interviewing 9 social workers and police officers, this research aims to understand how front line service providers conducting risk assessment. What are their experiences on the four kinds risk assessment methods? And what are the benefits and limits on conducting the four risk assessment methods? The research results indicated that the data sources, costs, specialities, limits and validity of each risk assessment methods. Finally, this paper suggested a coordinated risk assessment model which including three stages and combining the four methods. Also, some suggestions for future development are presented.