1. Use good adjustable underwear. Wear it in the correct way, and buy a suitable bra cup so that your breasts don't overflow. Keep your breasts in the correct position at all times. It will help to prevent the expansion of the breasts. The flesh has memory. If you insist on wearing it for a long time, the breasts will remember the position they should be in. Remember not to buy a small cup. Give the breasts comfortable space and protection. Prevent the occurrence of chest expansion.

2. In daily life, we only need to do more exercises to solve the subtle problem of chest expansion: move the arms to the chest and close the two palms. Keep inhaling, press hard with both palms, and spread the two elbows horizontally. In this posture, while exhaling, try to straighten your upper body so that your chest feels a tension, as if the front and back of your upper body and chest are being stretched. Hold for 10 seconds and then relax your body. Repeat 5 times as a group and then insert your hands. Movement, a kind of exercise aimed at chest expansion, has a certain effect on preventing chest expansion.

Understand how to prevent breast expansion. If we have breast expansion, it is best to choose surgery to correct it. Breast plastic surgery is an ideal way to improve breast expansion, but we must choose a regular hospital. Have surgery.