Sour dates are generally commonly used in medicine with sour dates, and sour dates also have a little medicinal effect. They are both similar, and are mainly used for insomnia, palpitations, panic attacks, and even heartburn and irritability caused by deficiency of liver blood and heart yin, which is often referred to as cardiac neurosis, or symptoms of anxiety. Vinegar itself is also sour and also has the effect of acid collection. But vinegar has certain blood activation and blood stasis removal effects, so it is not quite the same as sour dates. When paired with sour dates, it can nourish liver yin, moisten liver dryness, play a calming, calming, and sleeping role, and at the same time has a certain blood activating and stasis-removing effect.