The most common causes of swollen parotid lymph nodes are excessive heat or staying up too late, reduced body water, and eating spicy, greasy, and irritating foods that cause swollen parotid lymph nodes. Acute parotid lymph node enlargement is caused by fire and bacterial infection. If the parotid lymph node enlargement is frequent, it is considered to be related to one’s own health quality, such as poor health quality, poor resistance, and often have the disease of false fire, it will appear parotid lymph node enlargement, acute lymph node enlargement, and timely treatment with anti-inflammatory drugs can relieve the symptoms. Chronic lymph node enlargement needs to increase its resistance, more vitamins and trace elements.