1. Generally, people with thin skin are a sign of lack of self-confidence. They should find that they have strengths and characteristics that others don't have, or learn from others' abilities to strengthen their hearts.

2. Generally, people with thin skin get too much warmth and care when they are young, or they live too smoothly and lack independent spirit. Try to make yourself suffer, experience your own mind and perseverance, and your face will naturally be thicker.

3. Do something you dare not do, let go of unnecessary self-esteem, for example, express your love for people who have been afraid to express. . . . . .

4. Participate in more group activities, do more public welfare activities and show yourself more. . . . .