There are more reasons for hand trembling after drinking alcohol, which are commonly found in the following: 1, alcohol influence: sympathetic excitement; if you drink too much alcohol, alcohol will be metabolized into acetaldehyde, which will stimulate the muscles and lead to muscle twitching; 2, electrolyte disorders: if the patient vomits after drinking alcohol, resulting in low blood potassium or abnormal blood calcium, it will also produce hand trembling symptoms; 3, disease relapse: for example, hyperthyroidism, epilepsy, or cerebrovascular disease patients after drinking alcohol induced relapse and aggravation of the original disease, which can also produce the symptoms of hand trembling.