國家哲學諮商協會（NPCA）成立於1991年，是美國最早的哲學執業協會。本文檢視該協會最近實施的新界線∕執業規則。由於美國的哲學執業並不受州法規範，而是由該協會負責管理，因此不會對規範其他行業的州法產生影響，尤其是心理學、社會工作和心理衛生諮商等心理衛生領域的執業。本文把哲學諮商師和哲學輔導者加以區分，分別描述兩者的執業領域，具體說明當今在這兩個領域執業所需要的資格（教育與訓練）、分別列出適合這兩個領域處理的個案類型、並提供整套的標準，說明哲學執業適用的對象。該協會的創會理念，是認為哲學執業與心理衛生執業是互補的執業領域。該協會的新規定釐清這兩個執業領域的界線和關係，目的是讓哲學執業的行業獲得更大的尊敬、強化哲學和心理衛生從業人員之間的合作、並做為全球哲學從業人員仿效的國際典範。

Founded in 1991, The National Philosophical Counseling Association (NPCA) is the premier philosophical practice association in the United States. This paper examines the new boundary/practice rules recently implemented by the NPCA. Because philosophical practice in the United States is not regulated by state law, the NPCA is tasked with regulating practice, among its members, so that it does not impinge upon state laws governing other professional areas, notably mental health practice such as psychology, social work, and mental health counseling. Distinguishing between philosophical counselors and philosophical consultants, this paper describes the practice areas of each. Specifically, it describes the credentials (education and training) now required for practice within each category, lists the types of cases that are appropriately undertaken by each, and provides a comprehensive set of standards of referral that govern philosophical practice. The NPCA was founded on the idea that philosophical practice and mental health practice are complementary areas of practice. By clarifying the boundaries and relationships between these complementary areas of praxis, it is intended that the new NPCA rules will bring greater respectability to philosophical practice as a profession; enhance cooperation between philosophical and mental health practitioners; and serve as an international model for philosophical practitioners throughout the world to emulate.