1. Helicobacter pylori can survive in water for a long time, and drinking raw water often can induce Helicobacter pylori infection.
2. Helicobacter pylori can exist in raw meat. Raw meat has not been cooked at high temperature, and bacteria have not been completely eliminated into the human gastrointestinal tract, leading to Helicobacter pylori infection.
3. Eating with patients with Helicobacter pylori, eating a dish without using public chopsticks and tableware can also lead to Helicobacter pylori infection.
4. Eating spicy food, tobacco, alcohol and pickled food often causes irritation to gastric mucosa and is easy to induce Helicobacter pylori infection.