The causes of crotch lumps, which are usually referred to as lumps in the scrotum, are divided into the following areas: first, diseases related to the contents of the scrotum, such as orchitis, epididymitis, syringomyelia, varicocele, etc. Secondly, diseases related to scrotal skin, such as eczema-like cancer and condyloma acuminata, etc. Third, diseases related to the gastrointestinal tract, such as inguinal hernia, etc. Regardless of the cause of the bumps, it is necessary to conduct routine blood, urine, ultrasound, physical examination, etc., combined with the patient’s clinical symptoms to determine the comprehensive condition, and then to carry out targeted treatment, such as antibacterial and anti-inflammatory treatment for patients with inflammatory diseases, and surgical removal for patients with tumors, etc.