If the elderly have panic attacks accompanied by insomnia: Firstly, it should be considered that the elderly have phytodysfunction, especially in the case of cardiac neurosis, the above symptoms will be especially obvious. Secondly, for elderly people who have a clear history of diabetes in the past, once their blood sugar is lower than 3.9mmol/L, they will have clinical symptoms such as panic attacks, insomnia, cold sweats, palpitations, pale face and profuse sweating. Thirdly, for elderly people who have neurological diseases, they will also have the above-mentioned conditions in the case of cerebrovascular blood supply deficiency, stroke, cerebral infarction, cerebral embolism, etc. Fourthly, for cardiogenic diseases, clinical symptoms such as panic, palpitation, chest tightness, shortness of breath, insomnia and dreaminess may occur in case of unstable angina pectoris of coronary heart disease, acute myocarditis, malignant arrhythmia and severe heart failure.