A small hard lump next to the testicle may be caused by epididymal cyst, epididymitis, epididymal tuberculosis and other diseases, usually not serious, can be improved through medication, surgery and other ways. 1. Epididymal cyst: If it is confirmed that there is a small hard lump next to the testicle caused by epididymal cyst, for the smaller cysts, there is no need for special treatment, and regular checkups will be enough, for the larger cysts, the cysts can be removed directly through surgical means. 2. Epididymitis: Epididymitis can also lead to a small hard lump next to the testicle, the patient can follow the doctor’s instructions to use cefazolin, cefadroxil and other cephalosporins. If the drug treatment is ineffective, you can remove the diseased tissue through surgery. 3. Epididymal tuberculosis: a small hard lump next to the testicle may also be caused by epididymal tuberculosis, generally to drug treatment, patients can follow the doctor’s instructions to take rifampicin, pyrazinamide and other anti-tuberculosis drugs for treatment. All of the above drugs need to pay attention to the side effects and adverse reactions of drugs, please use the above drugs under the guidance of a doctor. There are many reasons why there is a small hard lump next to the testicle, and it may also be a tumor, if the treatment is not timely and standardized, the consequences are more serious, so it is recommended to go to a regular hospital for examination and treatment under the guidance of the doctor.