Possible reasons are:

1. Lack of exercise

In our daily lives, some people think that they lack some social skills and do not know how to communicate with others. Communication is all due to lack of systematic training. Indeed, lack of social skills will create a bad impression on others, leading to bad reactions from others and leading to embarrassing situations.

2. Self-deprecation

Some patients’ behavior in the social process is actually appropriate, but the patients think that their performance is wrong, so the patients have poor evaluation of themselves. appropriate. In the social process, the patient's self-deprecation plays an important role.

Many patients have excessive demands on themselves and wish they could be praised and liked by everyone with their superior eloquence and behavior. This inevitably leads to repeated self-defeat, and eventually leads to nervousness and fear when meeting people.

3. Impure social motives

In some patients, they always think that people communicate with them for impure purposes, and sometimes their own purposes are not pure. It is not as simple as making friends, so you always hope that you will create a certain special impression in the minds of others, so you may feel nervous or even afraid. If I didn't care what others thought of me, I wouldn't be nervous or afraid.

4. Personality characteristics

If a person tends to control other people’s impressions of him, or is particularly concerned about face, it seems that only when everyone likes him does he have face, or is perfectionist Strong tendency. And they can't wait to appear perfect in front of others, so such people are prone to social phobia.