Chronic alcoholism means that the patient has a long history of drinking alcohol and drinking to excess. The history of alcohol consumption is usually more than seven or eight years, and the patient drinks 4 taels or half a pound (i.e., 200-250 ml) of strong liquor per day. Patients with chronic alcoholism have many symptoms. The main symptoms are: numbness and tremors in the limbs; or mental symptoms, such as inattention, unresponsiveness, memory loss, emotional instability, irritability, or even hallucinations, delirium and personality changes; red face and eyes; laboratory tests, which may reveal abnormal liver function; examination of electrocardiogram and electromyogram, which may also be abnormal; and a CT scan of the head, which may show brain atrophy. Withdrawal syndrome (1973) divides withdrawal syndrome into early withdrawal symptoms and late withdrawal symptoms. Early symptoms are felt when the patient stops drinking and feels an uncontrollable desire to drink, along with a series of somatic symptoms. For example, anxiety, unpleasantness, and depression often appear first, along with autonomic symptoms such as nausea, vomiting, lack of appetite, chills, sweating, palpitations, frequent and irregular pulse, and hypertension. There may also be sleep disturbances, such as nightmares, light sleep, and difficulty falling asleep. These symptoms are often mild withdrawal symptoms or early symptoms of withdrawal. Acute tremor of the trunk of the limbs occurs 7 to 8 h after stopping drinking. Tremor is one of the typical symptoms of withdrawal in alcohol-dependent people. The tremor is one of the typical symptoms of alcohol dependence withdrawal. The person cannot sit still, is easily agitated and startled, and often has nausea, vomiting and sweating. It can last for several days and disappears rapidly if alcohol is consumed. Transient delusions, hallucinations, visual distortions, and even seizures can occur 24 h after stopping drinking, and delirium tremens can occur 3 to 5 days later. Therefore, patients with chronic alcoholism often have morning tremors of the fingers and eyelids, and in severe cases, they may be unable to chew and stand unsteadily. This tremor can appear or worsen due to activity or emotional provocation. It can also be reduced or disappeared within a few minutes by drinking a certain amount of alcohol. This is also a point of differentiation from other tremors. Hallucinogenic disorders and spasticity are chronic alcohol-dependent psychiatric disorders.