While the content and procedures vary in the rituals of giving and receiving conversion, bestowing 'long' and blessing in Tibetan Buddhism, there is a common characteristic among them.: making determination honestly with an oath, thereby intentionally implying a contract, Today, with the increase of the number of people who learn and practice Tibetan Buddhism, practicing Tibetan Buddhism should start from apprenticing themselves to a master and attending the ritual of bestowing 'long'. Bestowing 'long' was performed by the way of speaking words since ancient times. There were few written literatures on the regulation of bestowing 'long'. Therefore it was difficult for the teacher of bestowing 'long' to recall all the words from the master completely. Thus this article discussed the ritual of bestowing 'long' and sumed up the kernel of the ritual of bestowing 'long' was to give bless and invite custodian of dharma by mantra. Bestowing 'long' should follow the ritual regulation. All the words read should be written down. Inviting Buddha of wisdom could use visualization and read the invitation words, and then give blessing.