Hard lumps with pus on the inner thighs are usually associated with folliculitis, sebaceous cysts, scar hyperplasia and other factors, which can be treated with local care and medication to alleviate the symptoms. 1. Folliculitis: it is mainly due to the inflammatory reaction formed by the involvement of hair follicles, which is related to the usual lack of attention to personal hygiene. When the folliculitis gradually increase in size, the occurrence of rupture will flow pus. You can use saline to clean the surface, and then follow the doctor’s instructions outside the mupirocin ointment anti-inflammatory. 2. sebaceous cysts: the relatively small sebaceous cysts symptoms are not obvious, when the cysts gradually increase in size after rupture, may cause secondary infection on the surface, resulting in pus flow. You can use saline to wash, and actively anti-inflammatory treatment, to be feasible after the inflammation subsides cyst removal surgery. 3. Scar hyperplasia: If there is a previous local injury and scar hyperplasia is formed, the pimple may form and flow pus after another infection and inflammation. Can be sterilized by scrubbing with povidone-iodine, and if the scar hyperplasia has formed for a long time, you can do simple surgical excision. The inner thigh long hard bumps do not often use the hand to rub, so as not to stimulate the local lead to bumps increase, should be timely medical treatment, to avoid the development of the disease.