Possible diseases of right lobe occupancy of the liver include hepatocellular carcinoma, benign liver tumors, liver cysts, and hepatic echinococcosis. The treatment modalities for different diseases are different, including observation and follow-up, surgical treatment, chemotherapy, targeted therapy, and so on. 1. Hepatocellular carcinoma: If patients with hepatocellular carcinoma meet surgical indications, radical surgical resection is preferred, which is the most effective treatment for hepatocellular carcinoma at present. After surgery, chemotherapy, radiotherapy and targeted therapy can be supplemented according to the condition of the patient. If the patient is no longer suitable for surgery, radiofrequency ablation, arterial embolization chemotherapy, targeted therapy and other comprehensive treatments can be chosen to prolong the survival period of the patient as much as possible. Surgical options include partial hepatectomy, segmental hepatectomy, etc.; chemotherapy options include fluorouracil, cisplatin, etc.; targeted drugs include sorafenib, lenvatinib, etc. 2. Benign liver tumors: including hepatic cavernous hemangioma, hepatic adenoma, lipoma and so on. Asymptomatic benign tumors do not need special treatment, and regular follow-up review is sufficient. Larger tumors or tumors that have caused corresponding symptoms can be selected for surgical resection. For example, liver cysts, most patients generally do not need special treatment and regular follow-up is sufficient. Larger liver cysts can be selected for cyst enucleation or decapitation. 3. Hepatic echinococcosis: Hepatic echinococcosis is a parasitic infectious disease, preferred surgical treatment, according to the condition, can choose the external cystectomy, internal cyst removal, partial hepatectomy and so on. It should also be combined with drug treatment, commonly used drugs for albendazole. It is recommended to go to the hospital as soon as possible to clarify the nature of the occupancy, and to treat it accordingly under the guidance of professional doctors.