Three-year-old vinegar-soaked garlic is generally not edible. If the vinegar soaked garlic has been three years, it is not recommended to eat. Because the time is too long, the food may deteriorate, nutrients will be lost, harmful bacteria will also be a lot of breeding, if you eat, not only can not supplement the nutrition, there may be abdominal pain, diarrhea and other gastrointestinal discomfort, and may even be food poisoning phenomenon. Vinegar soaked garlic belongs to the homemade food, generally no preservatives, shelf life is shorter, so the storage time should not be too long, but also need to pay attention to is the amount of food, do not recommend eating too much at once, so as not to increase the burden on the digestive tract. If discomfort occurs after consumption, go to the hospital in time for treatment.