1, vinegar soaked onions in doing to prepare a larger clean glass bottle, in advance with high temperature to sterilize it, and dry the water inside, and then prepare 2~3 fresh purple skin onions, and then prepare the right amount of pure grain rice vinegar, you can also prepare pure grain white vinegar, if necessary, you can also prepare a piece of ginger.

2, the ready fresh onion after removing the skin with water, then dry the surface of the water, and then cut it into thin slices, and then ready ginger wash, also cut into slices directly into the ready clean glass bottle, and then ready rice vinegar poured directly into the glass bottle, and vigorously shaken, so that the rice vinegar to onions completely submerged, and then finally put the lid on the bottle and sealed soak for 7 days, the inside of the Vinegar soaked onions will be ready, take out and serve.