A hard lump at the base of a woman’s thigh can be caused by lymphadenitis, boils, common warts and other diseases, which can be improved through physical therapy, medication, surgery and other ways. 1. common warts: if the common warts caused by a hard lump at the base of the thigh, the patient can choose cryotherapy, the use of liquid nitrogen low temperature, so that the warts destroyed, fall off. For patients who are not suitable for physical therapy, they can follow the doctor’s instructions to use topical Dewei cream, retinoic acid cream and other retinoic acid drugs, which have the effect of regulating cell differentiation. 2. boils: boils can also lead to a hard lump on the root of the thigh, the patient can follow the doctor’s instructions to use ichthyol ointment, tincture of iodine and other drugs, but also follow the doctor’s instructions to use mupirocin, clindamycin and other antibiotic drugs. For advanced boils that have become pus-filled and ruptured, incision and drainage surgery is needed to cut open the lesion and drain out the pus. 3. Lymphadenitis: Lymphadenitis may lead to a hard lump on the root of the thigh in women, and patients can take oral or injected antibiotics, such as penicillin and roxithromycin, as prescribed by the doctor. If there is pain and fever, antipyretic and analgesic drugs, such as ibuprofen and compound acetylsalicylic acid tablets, can be taken as prescribed by the doctor. When abscesses form in lymphadenitis, incision and drainage surgery is needed to drain the pus out of the body. Women with a hard lump on the root of the thigh has more causes, you should go to the regular hospital, with the doctor standardized treatment.