Fibroma 1cm in the left lower abdomen is not serious at present, but it should be observed or further treated according to the doctor’s instruction. Fibroma is a common benign tumor, left lower abdomen fibroma 1cm size is not big, usually does not cause obvious pressure symptoms, is not too serious, but it may grow further, and there is a certain chance of malignant transformation, it is recommended to timely go to the hospital to assess the risk of professional physician assistance. The treatment of fibroid tumor is surgical excision. The patient’s fibroid tumor is not big at present, so it is recommended to choose observation or excision under the guidance of physician. In addition, the nature of any tumor needs to be clarified by pathological examination, therefore, those who find lumps in their bodies need to consult a doctor in time, and should not judge them to be fibroids on their own and take their condition lightly.