Abnormal intensified foci in the left lobe of the liver should be considered as the possibility of occupying lesions in the liver, such as primary liver cancer, hepatic hemangioma, hyperplastic nodule and so on. 1. Hepatocellular carcinoma: Abnormal intensified foci in the left lobe of the liver may have the possibility of primary hepatocellular carcinoma and secondary hepatocellular carcinoma, which need to be combined with hepatic puncture biopsy, tumor marker detection to confirm the diagnosis, and liver metastases may also have this imaging manifestation. 2. Hepatic hemangioma: abnormal intensified foci in the left lobe of the liver can not exclude the possibility of hepatic hemangioma, CT examination has diagnostic value for hepatic hemangioma, and the gradual intensified high-density shadow can be seen during enhancement. 3. Hyperplastic nodule: localized hyperplastic nodule in the liver may appear as abnormal intensifying foci. There are other reasons for abnormal intensified foci in the left lobe of the liver, if abnormal intensified foci are found in physical examination, it is recommended to consult the doctor in time, improve the relevant examination under the doctor’s guidance, clarify the cause of the disease, and adopt the treatment plan accordingly.