Brihaspati Puja is to appease the planet Jupiter. Brihaspati Puja is very useful & beneficial puja, since it's worship strengthens benefic Jupiter & increases its positive influence and pacifies malefic effects of the planet & neutralizes its negative effect. Jupiter Puja is recommended for those having malefic Jupiter or wrongly placed Jupiter as per horoscope.

The planets are to propitiated against their evil influences, to ward off them, the Brihaspati Puja is done with faith to ward off all evils of Jupiter as per the horoscope.