Pre-auricular fistula, if no infection occurs, no need for surgery; if infection occurs, surgery is recommended after infection control. After a clear diagnosis of preauricular fistula, if there is no frequent inflammation, no obvious local redness, swelling and pain, generally do not need surgical treatment, keep the local clean can be. If the fistula before the ear infection, need to control the infection as soon as possible after surgery, because the fistula in front of the ear once pathogenic microorganisms invade, the future will recur, and each time after the inflammation tends to cause scar adhesion, drainage is more unsmooth, and ultimately the formation of pus fistula and a large range of scar, affecting the facial features, so as soon as possible to seek medical treatment will be completely surgical excision off. Fistula before the ear is a common otolaryngology disease, not infected without treatment, life should avoid washing face, bathing dirty water into the mouth of the fistula before the ear. If the infection is caused, it is common to see obvious redness and swelling of the local area, the local skin temperature increases, and there may be purulent secretion from the mouth of the fistula in front of the ear.