Gastrin 17 less than 1pg/mL is just a test result, can not one-sidedly say whether the condition is serious, need to combine with other accompanying symptoms, gastroscopy to determine. Gastrin 17 below 1pg/mL, if it is Helicobacter pylori infection, not very serious, you can take drugs to eradicate Helicobacter pylori, commonly used drugs are omeprazole, amoxicillin, metronidazole, bismuth aluminate compound, and so on. If it is gastric cancer, it suggests that the condition is more serious and should be treated in time, gastrectomy can be done to avoid the spread of cancer cells and metastasis. Gastrin 17 less than 1pg/mL may also be gastric ulcer, atrophic gastritis and other diseases, you should consult a doctor in time for examination, clear diagnosis, and treatment under doctor’s guidance. Normally, diet should be light, you can eat more millet porridge, soft rice and other foods, avoid barbecue, strong tea and other stimulating foods.