I always use brewed fruit vinegar, which tastes better. Soaking ginger in persimmon vinegar is a health-preserving method that is widely spread among the people. We have written an article before to explain the method. In traditional Chinese medicine, persimmon vinegar is acidic, and acid travels through the liver meridian. When the liver encounters acid, it will converge. At this time, the hair-raising function of ginger also enters the liver, which can increase liver yang energy.