Gum bleeding is very common now a days.  But most of the natural treatments at home can go a long way toward improving your oral health and stopping bleeding gums. like

1) Clove oil - massage the gums with clove oil or just chew a piece of clove. it may cause burning sensation,but very helpful to prevent bleeding gums.

2) Peppermint oil- peppermint oil (chamomile tincture). these oils are very beneficial for teeth and gums health. it has been used to treat gingivitis with positive outcomes.

3) Tea tree oil- tea tree oil has anti-bacterial property . .tea tree oil is derived from the leaves of melaleuca alternifolia, it is soothing on application and eases away pain you may have on your gums. 

4) Citrus fruits-  vitamin c is very important for the overall health of delicate gum tissue, because the vitamin c helps to prevent collagen from breaking down. without collagen, gums become extra tender, and thus susceptible to bleeding  orange, lemon,strawberries and kiwis,nuts and seeds,apples, celery, and other low-acid, fibrous foods and cabbage are the best and rich sources of vitamin c. use plenty of them.

5) Probiotic Milk-

It is rich in calcium and, therefore, can be used as an effective home remedy for bleeding gums.  It reduce symptoms of gingivitis and help heal and restore damaged bone tissues.

6) Aloe Vera- It is very useful against inflammation of gums. It destroys bacteria responsible for gingivitis. It also helps in speeding up of the process of healing. Massage the aloe Vera gel into the gums. Aloe vera contains many potentially active constituents: Vitamins, enzymes, minerals, sugars, lignin, saponins, salicylic acids, and amino acids. Polysaccharides are considered to be the active ingredients of Aloe's anti-inflammation and immune-modulation effects.

7) Saline Solution-  It improves blood circulation in mouth and reduces swelling. Using a saline solution to rinse in the morning and evening will effectively cure and prevent bleeding gums . Its high osmolality reduces inflammation and can be microbicidal. Warm saline rinses have been used successfully in post extraction cases. We have also been using it in post surgical periodontal cases for many years and the results have been excellent.