Alcohol dependence is a characteristic disorder of abnormal behavior that develops in people based on chronic excessive alcohol consumption. The introduction of large amounts of ethanol into the body produces significant clinical toxicity and tissue damage, physical dependence and dangerous withdrawal syndromes. Alcohol dependence is characterized by a severe dependence on alcohol, which is manifested by a complete breakdown of the patient’s self-control, and drinking becomes the main activity of his or her life, and the amount of alcohol consumed continues to increase. Alcohol dependence initially manifests itself as excessive drinking, also known as harmful drinking, which is defined as drinking more than four standard glasses of alcohol per day (equivalent to two bottles of beer or one tael of 56-proof liquor) and more than five drinks per week. So what is the difference between alcohol dependence and general or excessive drinking? Experts usually recognize alcohol dependence in seven main ways: 1. A psychological craving for compulsive drinking. 2, The time interval of abusing alcoholic beverages is determined. 3, The pleasure of drinking alcohol takes precedence over all life activities or work demands. 4, Increasing alcohol tolerance and the need to consume more and more alcohol. 5. Drinking alcohol early in the morning on an empty stomach. 6. Inadequate dosage or sudden cessation of drinking can result in a variety of withdrawal symptoms. The symptoms are weakness, nausea, insomnia and tachycardia. 7, Quit drinking and then repeated.