Pregnant women can use salt bag hot compresses on the cervical spine to relieve back pain symptoms during pregnancy. During pregnancy, women are weaker, affected by mental factors and estrogen level disorders in the body, it is easy to appear back pain discomfort symptoms. In addition to rest can take physical methods to relieve, such as salt bag hot compress cervical method, pregnant women can be used. Although the salt bag hot cervical spine can improve women’s back pain during pregnancy, but not applicable to all pregnant women, some pregnant women use the salt bag hot method is not appropriate, or the temperature is not controlled, it is easy to happen accidentally. So women must be extra careful when using them to avoid unnecessary damage. Women should often do appropriate exercise, such as walking, swimming, pregnancy yoga, long-term stay at home is not conducive to the relief of back pain and other discomfort.