Testicle always cold. What's going on?

Testicular cold for a long time may be because the body exists kidney-yang deficiency, the body cold is too easy to show testicular cold. In addition, it may also be caused by insufficient blood supply to the testicular area, and there are many reasons for insufficient blood supply, such as testicular inflammation, varicocele or genital surgery to destroy the testicular blood supply system, as well as systemic diseases, such as hyperlipidemia, hyperglycemia may cause insufficient blood supply to the testicular area, and then may show a cold feeling. Need to combine personal causes can be targeted at treatment, and then can improve the condition of testicular cool.