Bipolar disorder, also known as bipolar depression, means that the patient has this kind of manic episode and depressive episode at the same time, or both of them are produced alternately. First, let’s look at the symptoms of hypomania, the symptoms of hypomania are mainly irritable, the patient’s mood is very unstable, because of a little bit of small things, or a little bit of different opinions will be very angry. The symptoms of depression are more diverse, the first one is the symptom of three lows, the patient may have moping, feel that life is meaningless, and be unhappy. The second is additional symptoms, such as self-blame, low self-esteem, or not wanting to live, slow reaction, poor concentration, insomnia, poor diet, or hypogonadism.