Electronic photos; Background: uniform white background (matt surface is used to prevent reflection); Candidates face the camera; The photo environment is full of light; Focus should be aligned; When taking pictures, pay attention to adjust the position of the portrait in the photo, leave a blank on the top of the tall man's head, and pay attention to the upper body of the short man; The photo pixel is 320* high and 240 * wide, the size is no more than 15K, and the file format is. jpg； The file name is unified as "ID number+name", such as "350426197505070014+Zhang Xiaoliang"; The height of the head is about half of the height of the photo;