Bleeding every day when you brush your teeth suggests the possibility of chronic gingivitis, pregnancy gingivitis, and blood disorders. The details are as follows. 1. Chronic gingivitis: patients often brush their teeth or bite hard objects when the gums bleed, free gums and gingival papilla can become bright red or dark red, tissue edema, gingival margin thickening, gingival papilla become rounded and hypertrophied. 2. Gingivitis during pregnancy: During pregnancy, due to elevated levels of female hormones, the original chronic inflammation of the gums is aggravated, which can be manifested as inflammation of the gingival margins and gingival papillae, or one or more gingival papillae are enlarged in the form of tumors, which bleed when touched gently. 3. blood disease: due to the existence of coagulation disorders, patients are prone to gum bleeding, long-term brushing bleeding need to be vigilant. Daily brushing bleeding may have other reasons, it is recommended to go to the hospital in a timely manner, clear cause for targeted treatment.