Hidden pain in the right testicle may be caused by trauma, epididymitis, varicocele and other diseases. 1. Trauma: If the right testicle is squeezed or hit by the outside world, it may be damaged, which may lead to vague pain. 2. Epididymitis: the cause of epididymitis may be related to pathogenic bacterial infection, urinary reflux, obstruction of vas deferens, etc. Urinary tract infection and poor sexual behavior habits may also induce the disease. The patient’s epididymis will have symptoms such as pain and swelling, and may also have hardened epididymis, enlargement and hard nodules, which usually only involves one side. 3. Varicocele: Varicocele is a kind of vascular lesion, the cause of which may be related to the congenital dysplasia of vein wall, obstruction of venous return and other factors, and standing for a long time may also induce the disease. The patient mainly manifests as enlargement of the lateral scrotum, accompanied by vague pain and swelling sensation, which is usually aggravated after prolonged standing or walking. There are other reasons that may cause hidden testicular pain, if the right testicle hidden pain, it is recommended to go to the regular hospital for consultation and examination, to clarify the cause of the disease under the guidance of the doctor treatment.