A noble lactobacillus is provided to improve probiotics effect by reaching bulk content of microbial to the field when taking the lactobacillus, to increase an extinction ability by generating no gastric acid because the lactobacillus has an excellent acid-resistant, to suppress pathogens as the probiotics and to be used for fermented product, health food, functional food and drug. A noble lactobacillus is characterized in that a) lactobacillus is alive in a buffer solution of pH 1.0 at least for 60 minutes, b) a number of the lactobacillus increases in a short time, c) the lactobacillus suppresses a pathogen d) the lactobacillus promotes a breeding of useful bacteria. The lactobacillus belonging to the Lactobacillus species is Lactobaci11us johnsonii No. 1088.