The core daily prayer practice of Kadampa Buddhists world-wide is called Heart Jewel. By reciting this
prayer we can create the perfect conditions for successful meditation
practice by purifying negativity, accumulating merit (good karma/positive mental energy), and receiving
powerful blessings. Each session also includes silent time for
contemplation and meditation.
That's all you really need to know. Just come and enjoy. It is very peaceful and helps with daily life in so many ways.
But if you want to know more... Technically, it is a Guru yoga of Je Tsongkhapa combined with the condensed sadhana of his Dharma Protector with short meditations on Lamrim and Mahamudra.
This puja includes two practices that come from the Wisdom Buddha
Manjushri. The first is a special Guru yoga in which we visualize our
Spiritual Guide as Je Tsongkhapa, who himself is a manifestation of
By relying upon this practice, we can purify negativity, accumulate
merit, and receive blessings. In this way, we will naturally accomplish
all the realizations of the stages of the path of Sutra and Tantra, and in particular we will attain a very special Dharma wisdom.
The second practice is a method for relying upon the Dharma Protector
Dorje Shugden. Through this, we can overcome obstacles to our practice
and create favourable conditions so that we can nurture and increase our
If we rely upon the Dharma Protector Dorje Shugden sincerely, our
faith in Je Tsongkhapa will naturally increase and we will easily gain
experience of the pure Buddhadharma transmitted directly to Je Tsongkhapa by the Wisdom Buddha Manjushri.
These two practices are the very essence of the New Kadampa Tradition of Mahayana Buddhism. If we practice them regularly and sincerely, we will reap a rich harvest of pure Dharma realizations, and eventually come to experience the supreme joy of full enlightenment.
An extensive explanation of this sadhana can be found in the book Heart Jewel, by Geshe Kelsang Gyatso.