Proper drinking of light salt water can achieve the effect of hangover relief. Salt has the functions of clearing away heat, cooling blood and detoxifying. Drinking light salt water has a good effect on relieving chest tightness. After drinking, you can drink light salt water properly to relieve alcohol. Recommended methods for family hangover: vinegar, espresso, fresh fruit, honey, kudzu root soup, etc. Salt is an indispensable condiment in daily life. Adults need to eat 6 ~ 10g every day to maintain the acid-base balance in the body and ensure the normal activity of the human heart. If the human body lacks salt for a long time, the limbs are weak, tired and sleepy. At the same time, salt is the carrier of salty taste and is known as the "father (king) of all kinds of flavors". It not only increases the taste of dishes, but also promotes the secretion of gastric juice and appetite. Reference: Drink salt water to relieve hangover.