What does gastroscope HP(- mean? That is, low HP and then a bracket, one of which has the same negative sign. . What do you mean?

Hp negative means that there is no helicobacter pylori in your stomach.

Helicobacter pylori can cause gastritis, gastric cancer and other stomach diseases. If Helicobacter pylori is positive, sterilization should be carried out. Three antibiotics were taken together for 7 ~ 14 days as a course of treatment.

Congratulations, don't take antibiotics.