The benign and malignant nature of liver tumors can be determined according to several aspects such as the growth rate of the tumor, growth mode, pathological diagnosis results, cure rate and so on. 1. Growth rate: benign liver tumors usually grow slowly and the symptoms are not obvious. On the other hand, malignant tumors grow faster, and as the tumor grows, it may compress the surrounding tissues and show relevant symptoms. 2. Growth mode: Generally speaking, benign tumors have regular shape, clear boundary with surrounding tissues, smooth surface and complete envelope. Malignant tumors are irregular in shape, with infiltrative growth, unclear boundary and incomplete envelope. 3. Pathological diagnosis: Pathology is the gold standard of diagnosis, through puncture or surgery to do pathological section examination of tumor tissue, the degree of differentiation of the tumor can be observed to determine the benign and malignant nature, benign tumors have a higher degree of differentiation, close to the normal tissues, while malignant tumors have a poorer degree of differentiation, which is very different from the normal tissues. 4. Cure rate: according to the cure rate of the tumor, most of the benign tumors can be cured after surgery or other methods, and the recurrence rate is very low, but the malignant tumors, generally the cure rate is low, because the tumor tissue spreads faster, and the recurrence rate is also higher. The specific determination of benign and malignant liver tumors needs to be carried out under the guidance of regular hospitals and professional doctors, and cannot be determined by oneself.