1, showing reverence and respect for the three treasures, as a demonstration to attract all beings.
2. It means to send information to the void dharma circle and understand the ten treasures of blessing.
3. It means burning oneself, spreading incense and reminding Buddhist disciples of selfless dedication.
It means that the Buddhist precepts are really fragrant, which contains the tacit oath of "diligently practicing the precepts, being wise, eliminating greed, hubbub and delusion". The Buddha doesn't like the great and expensive incense in the world, but he likes the precepts, steadiness, truth and incense of his disciples.
It is advisable to burn incense with three sticks of incense.