Young people with weak and shaky hands should consider the following possibilities: First, is it hypokalemia that causes the above discomfort? Some young people with secondary hypokalemia due to hyperthyroidism may experience weakness and shaking of the hands. Secondly, somatization disorder caused by bad mood can also lead to hand weakness and trembling in young people. Third, idiopathic tremor can also cause hand weakness and trembling in young people. Fourth, metabolic diseases, such as alcoholism, can also lead to hand weakness and shaking in young people. Fifth, we should also consider some diseases that are rare in young people, such as myasthenia gravis, Parkinson’s disease, Green-Barre syndrome and other neurological diseases that cause hand weakness and shaking in young people. But the specific cause of young hand weakness, shaking, such as this case need to go to the hospital to see a neurologist, thyroid function, electromyography and other related tests to clarify the cause of the disease.