It can be regulated by the following methods: first, pay attention to the structure of the diet: first, do not eat too spicy food, such as chili peppers, spicy strips, spicy hot pot, etc., which can easily lead to lymphatic vessels blockage. Second, do not eat foods that are difficult to digest and easy to form hard stools, such as dried vegetables, dried mushrooms, dried beans, etc. Third, do not drink alcoholic beverages, especially strong alcohol. Fourth, the appropriate intake of foods rich in vitamins and fiber, such as fruits and green vegetables. Fifth, the appropriate intake of fruit rich in B vitamins and C vitamins, such as dragon fruit, bananas, apples, duck pears, etc. Sixth, the appropriate intake of foods rich in unsaturated fatty acids, such as walnuts, peanuts and sesame. Secondly, it is also necessary to exercise properly to promote blood and lymphatic fluid circulation. However, if there are repeatedly swollen and painful lymph nodes, you need to go to the hospital for examination to clarify whether there are other diseases.