Geriatric diseases are diseases that tend to develop as the body ages and its capacity decreases. Cardiovascular diseases, such as coronary heart disease, myocardial infarction, hypertension, and degenerative heart valve disease, are common. Cerebrovascular diseases, such as cerebral infarction, cerebral hemorrhage, vascular dementia, Parkinson’s disease, are common. Respiratory diseases, such as chronic bronchial disease, emphysema, pulmonary heart disease, and simple senile emphysema. Endocrine diseases, such as diabetes mellitus, hyperlipidemia, etc. V. Other diseases such as lumbar spondylosis, cervical spondylosis, degenerative osteoarthropathy, and vascular diseases, such as lower limb arterial occlusive disease, which occlude blood vessels with age. These are all geriatric diseases, which are common diseases of the elderly. In addition, geriatric diseases include geriatric syndromes, such as: debility, falls, dizziness, delirium, insomnia, etc.