The leaves of the bel tree are considered to be very pure. They are often used in religious ceremonies and rituals to cleanse the body and mind.
Offering bel patra to Lord Shiva is a way of showing your devotion to him. It is a way of saying that you are willing to surrender your ego and your desires to him.
The bel tree is considered to be a very auspicious tree. It is said to bring good luck and prosperity to those who plant it and care for it.
Lord Shiva's trident (trishul), representing his power to overcome negativity.The past, present, and future.
The Shiva Purana includes Bel Patra among the six sacred objects used in Shiva Puja. Offering it is considered highly auspicious and a way to receive his blessings.
The Bel leaves have a naturally cooling property. This is seen as symbolic of appeasing Lord Shiva's fiery aspect (Agni Tattva).
The Bel Patra is believed to be particularly favored by Lord Shiva. The Skanda Purana states that offering Bel Patra is equivalent to performing a thousand Yagya sacrifices.