The morning brushing spit with blood is caused by periodontal disease, periodontal disease is due to plaque attached to the tooth surface for a long time, not timely cleaning to stimulate the gums to produce bleeding symptoms, especially in the morning when the brushing bleeding phenomenon, patients with high blood pressure or diabetes should be timely treatment and monitoring. The phenomenon of brushing teeth and spitting blood, should start from daily care is commonly used is to brush teeth, brush teeth using a soft-bristled small-headed toothbrush for scrubbing, and regular cleaning, to maintain oral hygiene conditions, to maintain a good periodontal environment to avoid bleeding brushing teeth or gum pus phenomenon. At the same time, after the morning brushing with blood to remove the stimulus, you can local medication, commonly used can use minocycline hydrochloride can promote gum health.