(1) Collect incense wood and light it.
(2) Curse the coldness, darkness and stench of the universe.
(3) Regret the freshness, sweetness, brilliance and joy that passed away in the floating life.
The function of writing about many birds is to satirize the humbleness and shortsightedness of birds, and to set off the loftiness of phoenix spirit and the greatness of action.
The moral of Nirvana of the Phoenix is that the story of "gathering incense and setting herself on fire" embodies the poet's spirit of denying the old self, cursing the old world and pursuing a new life.