A soybean-sized lump on the testicle inside the scrotum may be caused by testicular cysts, testicular inflammatory nodules, testicular cysts, asymptomatic people do not need to be treated, for symptomatic patients need to take medication medication, surgical treatment. 1. Testicular cysts: testicular cysts in patients with testicular cysts will appear to increase the size of the cysts in the testicular area, so the patient will appear in the scrotum inside the testicles on a soybean-sized pimple of the symptoms. If the size of testicular cyst is small and there is no discomfort, it can be left untreated; for patients whose testicular cyst is accompanied by discomfort, simple cystectomy can be taken as treatment. 2. Testicular inflammatory nodules: some patients will have inflammatory nodules in the testicular area after testicular inflammation treatment, so patients will have the symptom of a soybean-sized lump on the testicle inside the scrotum. If the testicular inflammatory nodule has no symptoms, it can be left untreated; for patients with recurrent attacks of testicular inflammation, it is necessary to take local inflammatory nodule excision treatment. 3. Testicular tumor: patients with testicular tumor will have single painless swelling of testicle, testicular swelling, pain and other manifestations, so the patients will be manifested as a soybean-sized lump on the testicle inside the scrotum. Patients can be treated with chemotherapeutic drugs such as cisplatin and paclitaxel under the guidance of doctors, and some patients can also be treated with transinguinal exploratory surgery and radical orchiectomy. The appearance of a foreign body in the testicle may also be caused by other factors, requiring different treatment methods, patients are advised to go to the regular hospital in time for treatment, and strive for early recovery.