Mycobacterial infections are very common in clinical practice, and the symptoms vary according to the site of infection: 1. If mycobacterial infection occurs in the urethra, patients can experience frequent urination, urgency, painful urination, burning sensation of urination, itching of the urethra, urethral sensation of a foreign body, fever, etc. 2. If mycobacterial infection occurs in the foreskin and glans, patients can experience itching, flaking, purulent discharge, odor, chapping, etc. 3. If there is a mold infection in the vagina, there can be vaginal odor, increased secretion, itching, pain, etc.. In either case, it is necessary to carry out blood routine, urine routine, ultrasound, smear examination of secretions and so on to clarify the diagnosis, and then carry out targeted treatment.