It is normal for a root canal to not bleed. Root canal treatment involves removing the pulp and necrotic material from inside the root canal of the tooth, preparing the root canal, sterilizing it, and then filling the root canal of the tooth to prevent re-infection. Bleeding from root canal treatment is uncommon, so no bleeding is normal. Root canal treatment is a routine treatment in dentistry, the success rate is very high, the patient basically will not have hemorrhage or severe pain phenomenon. If there are still abnormalities after root canal treatment, it is recommended to go to a regular hospital stomatology department for a detailed examination, and choose a suitable treatment plan according to the results of the examination. During the treatment period, do not eat spicy food, should not smoke and drink alcohol, pay more attention to oral hygiene, and at the same time, go to the hospital regularly for review.