This depends on where you have been to Huadu. If you pass through the high school risk area in Huadu District, it is within the scope of prevention and control, then you may become a yellow code. On the other hand, it depends on how long you stay in Huadu District. If it is too long, it will turn yellow. During this period, you should pay attention to going out less, wear a mask, actively cooperate with epidemic prevention work, and strive to be yourself.