If the peptic ulcer patients, by the Chinese Journal of Modern Clinical Medicine study indicated that by 58 patients with colloidal bismuth pectin, omeprazole, clarithromycin, metronidazole four short course of treatment for one week, the results show that within one week clinical symptoms disappeared 100%, HP turnover rate of 98.28%, the rate of healing of the ulcer 96.55%, the therapeutic efficacy of the satisfactory and no adverse reactions occurred. The treatment regimen was: colloidal bismuth pectin 100mg, 4 times a day, orally, once 30 minutes before meals, and once before bedtime; omeprazole 20mg, twice a day, orally; clarithromycin 250mg, 2 times a day, orally; metronidazole tablets 400mg, 2 times a day, orally. Quadruple therapy for one week. (The treatment plan is only determined by the profile of medical information, please consult your doctor before medication for individual specific cases.) From the above information, it can be seen that omeprazole accounts for only 2.29885% of the total dosage of the drug, and to achieve the therapeutic purpose of the treatment time is very short, and does not need to be taken for a long time. The main effect of omeprazole is to inhibit the secretion of gastric acid to promote the healing of ulcers. Side effects may affect appetite, oral esophageal odor, andropause, drowsiness and other phenomena.