Is it illegal for an aunt to beat and scold a child? How to call the police? What if I'm afraid of calling the police?

This is illegal. You can call the police. According to the criminal law, it is illegal for an aunt to beat and scold a child. If the abuse exceeds the necessary limit and affects the child's physical and mental health, you can choose to call the police, but the police will coordinate the relationship between the two parties in the process of handling, and if the circumstances are serious, they will be detained. Alarm refers to reporting an emergency or sending an emergency signal to the police by telephone, internet, letter, etc. Protect national interests, public interests, personal, property and other rights of oneself or others from losses.