There are many reasons for women to get hot in the left ear: 1, vasodilation, if the blood vessels in the body suddenly expand, there is an accelerated heartbeat, which can easily lead to the problem of accelerated blood flow to the ear, thus causing ear fever; 2, strenuous exercise, just after doing strenuous exercise, it is more likely to cause ear fever, this is because during exercise, the heart beats faster and more blood is supplied to the limb muscles, after physical exercise the muscles need The blood required by the muscles after physical exercise decreases, at which point the blood returns to the head, resulting in ear fever; 3. Tension; some people will experience significant ear fever when they are in a relatively tense mood in life. When ear fever occurs, all should actively adjust their emotions, pay attention to the right amount of exercise in daily life, and at the same time avoid adverse factors that cause a faster heartbeat, thus helping the body to be able to return to normal in a short period of time and avoid ear fever.