Hard lumps on the inner thighs of women may be related to tumors, femoral hernia, lymphadenitis, sebaceous cysts and other causes. 1. Tumor: if the patient has lipoma, hemangioma and other diseases, these diseases will lead to abnormal local cell proliferation, which will make women have hard lumps on the inner thigh. 2. Femoral hernia: If the patient suffers from femoral hernia, there will be protrusion of abdominal contents, which will lead to hard lumps on the inner thighs of women. 3. Lymphadenitis: there are more lymph nodes in the inner thigh, if there is inflammation, these inflammations will lead to the enlargement of the surrounding lymph nodes, which will lead to hard lumps in the inner thighs of women. 4. Sebaceous cysts: Due to the blockage of sebaceous gland ducts in the inner thigh skin, cystic swellings will be formed, which will lead to hard lumps on the inner thighs of women. It is recommended that the patient go to the hospital in time to see a doctor, to clarify the cause of the disease and then standardize the treatment.