Judge yourself is O-shaped or X-shaped legs can be through the back against the wall, feet together way simple judgment. Back against the wall, body straight, both lower limbs together, if at this time only the ankles are in contact, the knees and legs are separate, the whole body leg shape will look like the letter O, there may be O-shaped legs; if only the knees are in contact, the ankles are separate, and there is a gap between the top and bottom of the knee, there may be X-shaped legs, looks like the letter X. If it is a young child, it is important to eat more calcium foods such as eggs and milk and walk with the correct posture in life. If you are an adult, your bones are already set and you may not have to pay too much attention to it if it does not affect your life. The above way is just a simple judgment, if you want to be more detailed, you can go to the hospital to do the relevant examination.