Gums stink like stinky tofu may be caused by periodontitis, the treatment method for periodontal scaling and periodontal scraping, to remove the plaque retention factors, extraction of non-reserved value of the teeth, etc., specific as follows. 1. Periodontal scaling and periodontal scraping: removing plaque and tartar on the gums and under the gums. 2. Remove plaque retention factors: including filling caries cavities, removing bad restorations, treating food impaction and so on. At the same time to develop good oral hygiene habits, use the correct way of brushing. 3. Remove teeth with no retention value: teeth with serious lesions that are not conducive to overall oral health or to the long-term stability of the overall restorative treatment effect should be extracted. It is recommended to go to regular medical institutions to receive professional treatment.