Vinegar has bactericidal effect and is a good condiment. Jealousy is good for cardiovascular and cerebrovascular blood pressure. The incidence of cardiovascular diseases in Taiyuan is less than that in Beijing. Pregnant women get jealous. Vinegars include rice vinegar, aged vinegar and Zhenjiang balsamic vinegar. Each kind of vinegar tastes different, depending on what kind of vinegar you like. Beijingers like rice vinegar, Shanxi people like aged vinegar, and others like Zhenjiang balsamic vinegar. You can choose which kind of vinegar to buy according to your own needs.