The vocal change in boys usually occurs between the ages of 13-16, with an optimal growth period of about 2-3 years. When boys reach puberty, they usually experience a change in voice, their voice may become hoarse, low, and their range becomes narrow. Starting from this period, boys enter the optimal growth period, increasing in height, more fond of sports, and their body’s need for nutrition is more intense. As a parent, you should pay attention to your child’s nutritional supplements and add different nutritional elements to your daily diet to promote your child’s physical growth and better voice transformation and healthy growth. It is worth noting that the duration of the voice change and optimal growth period varies with each boy’s body condition. When a child enters puberty, it is recommended that parents pay attention to the physiological and psychological changes and provide answers to their doubts about voice changes to promote healthy growth.