The height and weight standards for five-year-old boys are height reference range of 100.76cm-123.44cm and weight reference range of 13.13kg-26.1kg.Abnormal height and weight may be related to genetics and exercise, which can be dealt with by taking more exercise, etc. The height and weight of five-year-old boys are related to genetics and exercise. The height and weight of a five-year-old boy has a certain relationship with heredity, if the parents are short, the boy may be shorter, the height of a five-year-old boy is 100.76cm-123.44cm. if the parents are fat, then the boy’s possibility of being fat is also greater, the general reference range for the weight of a five-year-old boy is 13.13kg-26.1kg. apart from this, the environment, nutrition, exercise and other conditions will also have an impact on the height and weight. The weight and height of a boy can be influenced by his environment, nutrition and exercise. It is recommended to drink more milk, eat more lean meat, eggs, vegetables, etc., more outdoor activities with five-year-old boys, more sports such as basketball, badminton, jumping rope, etc., so that the height and weight of five-year-old boys are good for development. If the height and weight are abnormal, it is recommended to consult a doctor in time, with the help of the doctor to clarify the cause of the disease, and targeted treatment or therapy.