You can eat roast duck after lymphatic surgery, but you need to moderate the amount, it is advisable to eat a light diet, low-fat, high-protein food. General surgery may have blood loss, fever, infection, metabolic dysfunction, reduced digestion and absorption, loss of appetite and chewing difficulties, which will affect the postoperative wound healing, too salty, too spicy, too greasy food will affect the digestive system and metabolism, light diet effectively reduces the burden on the internal organs, improves the metabolism of the body, to ensure that the body’s nutrients are absorbed and the discharge of waste products, which will contribute to the healing of the wound. It helps in wound healing. Therefore, it is recommended that patients eat roasted duck appropriately to avoid causing indigestion, which will affect wound healing.