Hepatoblastoma fetalis generally refers to fetal hepatoblastoma, which is usually caused by diseases such as Burr-Weiss syndrome, and patients may experience symptoms such as abdominal bulging and abdominal pain. It can be treated with surgery and chemotherapy as prescribed by the doctor. If treatment is not timely, it can be life-threatening. Fetal hepatoblastoma belongs to a type of malignant embryonic tumor that can be classified into various types, such as simple fetal hepatoblastoma, crowded fetal hepatoblastoma, pleomorphic fetal hepatoblastoma, and metaplastic fetal hepatoblastoma. The disease is usually caused by conditions such as Burr-Weiss syndrome and familial adenomatous colonic polyps. Patients are usually asymptomatic in the early stages of the disease, but some patients may experience abdominal distention and abdominal pain as the disease worsens. Surgery may be prescribed to remove the lesions from the body. Chemotherapy, interventional therapy, radiofrequency ablation and other treatments can also be used as prescribed by the doctor. If treatment is not timely, it may be life-threatening. If the patient is diagnosed with fetal hepatoblastoma, it is recommended that the patient be taken to a hospital and treated in the appropriate manner as prescribed by the doctor.