Halitosis can’t be rooted by pressing any acupoint, but it can be relieved by massaging the Daling acupoint. As a symptom, the etiology of bad breath should be analyzed in conjunction with other symptoms. It is generally related to the dysfunction of the spleen and the stomach, emotional disorders (unruly emotions), and overwork, and is most commonly seen in the accumulation of food (food that is poorly digested and stagnates in the stomach), gastric fever, constipation, and dental caries. Daling acupoint is located in the middle of the wrist transverse stripe, when we bend the wrist, the transverse stripe will appear on the wrist, in the middle point of the wrist transverse stripe on the near palm side, between the two tendons is Daling acupoint. It has the effect of dispelling fire and dampness, and can be used to treat bad breath, stomach pain, vomiting, constipation, insomnia and so on. It is important to note that in addition to massaging the Daling acupoint, people with bad breath should be careful to eat onions, garlic, tobacco and alcohol and other stimulating foods that can easily lead to the production of flavor in their lives. Eat more vegetables and fruits and drink more water to prevent constipation are ways to improve bad breath. Finally, if the symptoms of bad breath are serious, it is recommended to seek medical treatment in time and use systemic therapy.