Whether hip slices for one and a half year olds are harmful or not depends on the number of times. Occasionally a few times to take a hip film, there is generally no effect on the body. If the film is repeated several times, it may have some effect on the body. The effect of X-rays on the body is mainly related to the total dose of radiation received by the body. Occasionally take a few hip films, the body receives a small amount of irradiation, completely within the permissible range of the body generally have no significant impact. If a one-and-a-half year old baby has hip X-rays repeated many times, the body receives a cumulative dose of irradiation many times, and if the cumulative amount exceeds the permissible range of the body, it may cause certain effects, such as affecting the development of bones and so on. One and a half year old babies take hip X-ray precautions, it is recommended to go to the hospital to consult the doctor.