Enlargement of the tail of the epididymis is commonly due to the presence of epididymal inflammation, which is categorized into acute epididymitis and chronic epididymitis. Acute epididymitis need oral antibiotics or intravenous antibiotics for treatment, the general cycle is relatively short, one week to two weeks can be cured, if the treatment is not timely or patients do not pay attention to often evolve into chronic epididymitis. Chronic epididymitis treatment cycle will be longer, treatment is also relatively tricky, in addition to oral antibiotics, may also need to cooperate with the soft knot, clear heat and detoxification of proprietary Chinese medicines to treat at the same time, if necessary, you can also choose Chinese herbal medicine external application to cooperate with the treatment. In addition to inflammation of the epididymis, enlargement of the tail of the epididymis, if necessary, also need to rule out epididymal tuberculosis and epididymal cysts.