本文是筆者對拙著《入菩薩行譯注》「菩提心利益品」所作的補充解釋。補充的內容，主要是根據寂天的《學處集要》和突滇卻札的《入行疏－佛子功德妙瓶》。「補注」後面附有一篇申論，嘗試以心理學和醫學的觀點闡明「發心對身心之利益」。 申論中指出，發心的修習具有如下四種心理功能：一、賦予生命終極意義，消除深層存在空虛；二、形成積極自我期許，激發生命整體潛能；三、淡化內心孤寂感受，引發同體大悲胸懷；四、喚醒深層靈性需求，強化修行心理驅力。這四種正向的心理效益都有助於腦內嗎啡的分泌，進而增進生理的健康。

　　　　　This paper is the supplementary explanation to the first chapter--The benefits of bodhicitta--of the authar's The Chinese Translation and Commentary of Bodhicaryavatara. The contents are mainly based on Shantideva's Siksasamuccaya and Thub bstan chos gras' rGyal sras yon tan bun bzang. There is an appendix in trying to elucidate "the benefits of generating bodhicitta upon the body and the mind" from the viewpoints of psychology and medical science. The practice of generating bodhicitta has four psychological function: 1. Give the ultimate meaning to life so as to get rid of the existential vacuum on deep level. 2. Form the positive self-expectation so as to inspire the whole potential of life. 3. Dilute the feeling of inner loneliness so as to arouse great compassion of oneness. 4. Awaken the spiritual need on deep level so as to strengthen the psychological drive to practice. These four positive psychological effects will help the secretion of β -endrophin in brain so as to enhance physical health.