14-year-old students can use the massager. 14-year-old students bone and muscle development is relatively mature, coupled with intense learning, learning pressure, usually sit and stand for a long time, the use of massager massage, can improve local blood circulation, relieve fatigue, muscle pain and other discomfort symptoms, can play a relaxing effect. But in the use of massager should pay attention to the intensity and massage time, so as not to be too strong or too long and damage to muscles, ligaments, etc., if the use of the process of discomfort, to the hospital orthopedic consultation in a timely manner to clarify whether the cause of bone and joints, muscle injuries, in order to intervene in a timely manner to treat. If the acupressure point massager, it is recommended to use under the guidance of a professional Chinese medicine practitioner to avoid adverse reactions.