Blood blisters on the tongue, if the blood blisters are not most can be self-absorbed, do not need special treatment. Patients should pay special attention to their diet, avoiding spicy, hot and too hard food to stimulate the blood blisters, in order to prevent the blood blisters from breaking and infection. If the blood blisters are very big and difficult to absorb on their own, affecting speech and eating, you can go to the hospital to pick the blood blisters and discharge the pus and blood under strict sterilization by the doctor. Remember not to pick the blisters on your own, as this can easily cause infection. At the same time, it is also necessary to find the causes of blood blisters, such as misalignment of teeth, the tip of the teeth is too sharp, the mouth is not suitable for movable dentures, etc. For these problems should be resolved in time to prevent repeated cuts on the tongue. Blood blisters on the tongue is recommended to gargle with tinidazole mouthwash to prevent and control secondary bacterial infections, but also can gargle with healing new liquid, which is conducive to the healing of the tongue mucosa.