Whether enlarged left testicle can be cleaned with low concentration of potassium permanganate depends on the specific condition, if the patient’s testicular skin inflammation occurs then it can be used, which can relieve the local discomfort; while other diseases such as testicular torsion, testicular inflammation, testicular cancer and other causes of enlarged testicles can not be used to clean with low concentration of potassium permanganate, which is ineffective. 1. If the left testicle enlargement is caused by staphylococcus, streptococcus and other pathogens caused by skin inflammation, you can use potassium permanganate cleaning, but the prerequisite is to use under the guidance of a doctor. 2. If the left testicle enlargement is caused by other diseases such as testicular torsion, orchitis, testicular cancer, etc., then low concentration potassium permanganate cleaning is meaningless and cannot be used. Never use potassium permanganate more than once to avoid corrosive burns. In addition, the contraindication population of this drug is not clear, but generally those who are allergic to potassium permanganate are prohibited from using it. Patients at this time need to strengthen the local care, keep dry and clean, reduce unnecessary stimulation. In summary, the left side of the testicle swelling patients need to go to the regular hospital in a timely manner, improve the examination, clear condition, cooperate with the doctor active treatment, do not self-medication.