The crosswalk sign is mainly to let you pay attention to the actual driving safety. Not everyone obeys the traffic rules very much. When pedestrians don't obey the traffic rules, vehicles should be polite to pedestrians.
Extended data:
Significance of traffic safety signs
Safety signs are mainly characterized by images, which are composed of safety colors, borders and graphic symbols or characters that express safety information such as fire fighting and traffic.
In accordance with the relevant provisions of the state, the following places shall be equipped with corresponding safety warning signs:
Factories, institutions, shopping malls (shops), cinemas, cinemas, theaters, entertainment halls, gyms, hospitals, restaurants, hotels, Internet cafes and other places, in addition to posting the above safety warning signs in public places and related places, should also set corresponding reminders and warning signs according to the actual situation and the degree of danger.
References:
Baidu encyclopedia-pay attention to pedestrian signs