Refers to the number of identification documents of the applicant. The red, yellow and blue in Jiangsu Province refers to the sign of the number of applicants. Specifically, 0-2 people are displayed in blue, 3-50 people are displayed in yellow, and 5 1 person and above are displayed in red. Different colors represent the degree of competition for this position, blue indicates low degree of competition, yellow indicates medium degree of competition, and red indicates fierce competition.