Just cut it to the cheek below the ear, but it's to cope with a neat military training, male 3 mm, not a public security major.
You can have long hair next semester, even if you can't, you can grow to your neck. The picture below shows the hairstyles of girls who just entered Jiangxi Police Academy. Most of them have long hair and short hair. I don't deny it. Believe me, the shorter the time, the better the spirit. As long as you are accepted, there is nothing to say.
Moreover, its interviews don't need to be cut, and they are generally accepted before everyone implements them uniformly.