Long armpit small meat grips refers to the armpit long lump, consider is due to fibroma, lymph node swelling, paratesticular and other reasons, need to be based on the symptoms of specific analysis. 1. Lipoma: Lipoma is a tumor of normal fat-like tissue, preferably occurring in the limbs and trunk, which can lead to long armpit lumps. 2. Enlarged lymph nodes: when the local skin is damaged by viral infection, the lymphocytes proliferate abnormally, causing local lymph nodes to be enlarged, which can be manifested as long armpit lumps. 3. Associate breasts: refers to the human body in addition to the normal breasts for the breasts, most of them appear in the armpit or under the armpit, more often appear in the menstrual period or before the menstrual period, the armpit long lumps. The causes of underarm lumps are many, should go to the hospital for examination and diagnosis in time, and give targeted treatment after clarifying the causes of the disease.