If the patient presents with obvious weakness of the limbs accompanied by an accelerated heartbeat, the following points should be considered: First, the disorder of the internal environment is considered, especially in the case of hypokalemia and hyponatremia, there will be this typical symptom. Second, if the patient has endocrine metabolic diseases, in the case of thyroid dysfunction and adrenal cortical dysfunction, the above clinical symptoms and manifestations will also be present. Third, if the patient has severe hypertension, such as high pressure >180mmHg, low pressure >120mmHg, hypertensive crisis, hypertensive encephalopathy, malignant hypertension, there will also be such clinical manifestations. Fourth, if the patient develops cardiogenic diseases, the clinical symptoms mentioned above will also appear in the case of unstable angina pectoris of coronary artery disease, myocarditis, pericarditis, malignant arrhythmia, and acute heart failure. Fifth, if the patient appears to be sympathetically overexcited, for example, after drinking a lot of alcohol, smoking, and emotional excitement, the above-mentioned situation will also occur.