Fibrosarcoma and fibroma are both tumors derived from fibrous connective tissue, and the differences are as follows: 1. Fibrosarcoma: Fibrosarcoma is a malignant tumor occurring in fibrous connective tissue, mostly in the elderly, with age, the incidence increases, more males than females; it manifests as progressive enlarging soft tissue masses in the limbs and trunk, with local infiltrative growth and invasion of surrounding normal tissues; late stage can occur The most common sites of metastasis are liver and lung; the diagnosis can be confirmed by pathological biopsy and typical imaging, especially nuclear magnetic resonance; the treatment of this disease is mainly surgery, supplemented by radiotherapy and chemotherapy; 2, fibroma: fibroma is a benign tumor, which can occur at any age and in any part of the body; it mainly shows local growth, progressive compression, and does not invade the surrounding normal tissues. Fibroma rarely recurs after surgical excision, and long-term cure can be obtained.