Too much liver resection may have the following hazards: 1, poor digestive function: because the liver is the place where bile is produced, when too much liver is resected, it will lead to insufficient bile secretion, and the patient will experience indigestion, especially after eating greasy food, the symptoms are more obvious. 2, coagulation dysfunction: the liver will synthesize fibrinogen and prothrombinogen, and if it is resected too much, it will lead to a decrease in the coagulation material, and the blood will not coagulate when bleeding. 3, decreased detoxification function: the liver will release the toxicity of many foreign poisons, and the detoxification function will be decreased. Decrease in detoxification function: the liver will release the toxicity of many foreign poisons, and the detoxification function will be decreased after too much resection. 4. Decrease in immunity: it will also appear in some patients. If the condition requires resection of the liver, it is necessary to carry out the resection according to the doctor’s prescription, and the specific harm needs to be consulted with the competent physician.