If the testicles have small hard bumps, it is considered to be caused by local inflammation, cysts, tuberculosis, tumors, etc. The small bumps may be painful to touch and swollen on the surface, and it is recommended that patients go to a regular hospital for laboratory tests, imaging tests and other related examinations in a timely manner, and follow medical advice for treatment after the cause is clear. In the acute inflammation period, local swelling, pain or a feeling of swelling will be found when touched, and after the inflammation subsides, hard nodules can be formed, which are small bumps with a hard texture when touched, and accompanied by high fever and chills. It is usually treated by cystectomy; 3. Tuberculosis: such as tuberculosis of the epididymis, caused by the invasion of Mycobacterium tuberculosis into the epididymis, can be manifested as slowly increasing hard nodules of the epididymis, i.e. small hard nodules, bead-like, accompanied by symptoms such as low fever, night sweats, weakness, etc., and a feeling of scrotal swelling, tuberculin test is needed to further confirm the cause, and anti-tuberculosis drugs are actively applied to treat the symptoms; 4. 4, tumor: testicular bumps may also be caused by tumors in the testicles, while the testicles will appear related pathological changes, small bumps in a short period of time generally will not have pain, long testicles will gradually become larger, pain, a feeling of falling, and examination can have a sense of grip stone, need to take CT and tumor marker examination to confirm the diagnosis, if the condition requires, can choose surgery to remove. In addition, testicular sphincter stones, spermatorrhea or vasovaginitis may cause small bumps in the testicles, so you need to seek medical attention to improve the relevant tests for differential diagnosis, so as to achieve better treatment results.