Older and younger people can be checked;

Early screening for gastric cancer, especially for high-risk priority groups; 

People with peptic ulcer, chronic atrophic gastritis, or other related gastric disorders(Traditional breathtest susceptible to lead to false-negative or false-positive results);

Long-term dining out, overtime work, irregular diet and life,mental stress, poor mood, etc.; for all patients who need to test whether they are infected with Helicobacter pylori, a one-step typing test can be carried out to assist in the clinical precision of the medication: if infected with a strong virulent strain of the bacteria, it is strongly recommended that they be eradicated, and it is recommended that family members undergo the same test.