Suddenly not drinking for long-term drinkers will produce a short-term withdrawal reaction, mainly some psychiatric symptoms and systemic symptoms, the body will gradually improve after a long period of not drinking. 1. Short-term: Patients who drink alcohol will have a withdrawal reaction, and mentally they will show symptoms such as excitement, anxiety, nervousness and insomnia; physically they will experience dizziness, tachycardia, fever, sweating as well as systemic symptoms such as abdominal pain and diarrhea. 2. Long-term: In the long run, abstaining from alcohol is good for the body. The blood pressure of drinkers will gradually become stable, rather than the sudden rise and fluctuation of blood pressure during alcoholism; the patient’s body shape will become thinner, and the “beer belly” will gradually disappear; and the liver function and cardiovascular function may gradually improve. If the withdrawal reaction is too severe in the short term, it is recommended to go to the hospital for treatment in a timely manner, and under the advice of the doctor to carry out a scientific program of alcohol cessation.