U are due for scaling that is cleaning of teeth go to dentist n clean ur calculus around teeth this will solve bleeding gums

Bleeding from the gums is the sign of gum disease most commonly. You must visit a dentist and clear the doubts. Routine scaling of teeth once in 6 months is mandatory.

This is due to plaque accumulation.Start using a mouthwash with chlorhexidine as the main constituent.Brush twice daily. Visit your dentist for scaling of your teeth.

Bleeding gums is the earliest sign of gum infection ....main reason behind this is plaque and calculus which means calcified bacterial colony ....every normal person should get his teeth cleaned professionally once in 6 months ....scaling will help in reducing the bleeding and also bad odour ....and also right  brushing technique will effectively remove food debris 

You may use a mouthwash along with soft brushing twice daily. Also you may contact a dentist for a scaling round to remove any plaque contributing to gum bleeding.