If you can see with the naked eye that there are red dots on the blood vessels in the testicular area, the following causes are often considered: 1. Consider whether the patient usually pays attention to personal local hygiene, such as whether the patient has been diligent in bathing and changing underwear, new clothes or bed sheets not washed before touching the skin, there is a possibility of contact with the local allergy caused by the chemicals on new clothes; 2. Also consider scrotal eczema or scrotal eczema caused by scrotal humidity. If the patient does not have other symptoms such as no pain or itch, consider that it is more of a physiological situation. If the scrotal eczema is also accompanied by itching, it is recommended that patients can apply topical medications, such as clotrimazole cream. The actual fact is that you will be able to get a good deal more than just a few of the most effective and most effective.