Blackfish soup is good for postoperative incision recovery, but it is recommended to consume it together with the fish. Blackfish is a common fish in daily life, after a long time of boiling, can be fully boiled out some of the nutrients in the fish. Each 100 grams of blackfish contains 359 kilojoules of energy, 152 milligrams of calcium, 232 milligrams of phosphorus, 323 milligrams of potassium and other nutrients. The protein in it plays an important role in helping the body tissue repair process. Appropriate consumption of blackfish soup by postoperative patients can supplement the nutrients of blackfish, but it is recommended to consume it together with blackfish (most of the nutrients of the food can not be dissolved in the soup) and facilitate the recovery of wounds. Although blackfish soup is rich in nutritional value, patients are not recommended to consume it in excess, so as not to cause gastrointestinal discomforts such as abdominal distension and abdominal pain. People who are allergic to fish are prohibited from consuming it to avoid allergic reactions. Patients should pay attention to the wound cleanliness, to avoid the wound stained with water to cause infection. If discomfort occurs during the recovery of the incision after surgery, it is recommended to go to the hospital in time to avoid delaying the condition.