The phenomenon of keen competition among numerous financial institution leads to a declining profit. Therefore, wealth management has become a paramount link in terms of the financial industry. Such being the case, financial advisors play a very crucial role. Instead of focusing on the perspectives of bank clients when it comes to discussing occupational competencies associated with financial advisors, most of the literature review in this aspect put more emphasis on of the viewpoints of those financial advisors with better performance, supervisors of human resources department and bank senior managers than those of the general bank clients. The purpose of this study was to complment the above-mentioned research to be based on bank clients' points of view. First of all, the relevant literature review would be explored and analyzed to sum up prior studies concerning the formation and elements of financial advisors' competent skills. Afterwards, the researcher of this study would interview 10 clients with high net worth and these clients do some advising on the statements of the information presented in the questionnaire. After the completion of the first-stage questionnaire, the next step is to sort out financial advisors' competent skills. The Analytic Hierarchy Process questionnaire is developed, which is used to investigate 50 clients with high net worth, finding out the importance scale in each level and calculating weight degrees. The research consequence of this study is that there is a weight value priority order, which verifies that under the competitive financial situations, what bank clients' demand from financial advisors is work ethic among others. For sustainable wealth management, what the financial sector should do is both keep corporate image and reputation and implement the norms together with ethical criterion to enhance wealth management expertise.