Six-month baby calf bend is generally normal, may also be congenital developmental abnormalities, nutritional deficiencies and other reasons for abnormal phenomena. In most cases, six months baby calf bending is normal, this is a physiological phenomenon, because at this time the baby’s calf muscles, bones are not yet fully developed, usually with age, legs will gradually become straight. However, it can not be ruled out that the baby calf muscle and bone congenital development abnormalities, lack of vitamin D, calcium and other causes, it is recommended that the baby usually observe whether there are postural abnormalities, twitching, sweating, crying, and other symptoms, if there is, it is recommended to go to the hospital for examination and targeted treatment. Six-month-old babies with bent calves may also have other causes, it is recommended to go to the hospital in a timely manner to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.