Gum recession pain is considered to be physiological factors, may also be triggered by periodontitis, the need for periodontal sequence treatment and root canal treatment. 1. Physiological factors, with age may appear gum recession symptoms, due to gum recession may lead to dentin sensitivity, so there will be a painful reaction, the need for timely desensitization treatment. 2. Periodontitis, clinical periodontitis due to the surrounding supportive tissue absorption, may lead to gingival recession, if the pain is more serious, you need to consult a doctor in a timely manner for periodontal sequence treatment and endodontitis of the teeth for root canal treatment, remove the nerve, to avoid aggravation of pain symptoms. Normally, it is best not to eat cold, spicy and irritating food often, and maintain oral hygiene.