The hiccups caused by the application of chemotherapy drugs in some patients are routinely thought to be caused by the failure of gastric energy and the upward reversion of gastric energy. In clinical practice, there are two types of hiccups, persistent hiccups and common hiccups. Ordinary hiccups can be effectively relieved by applying heat for 1-3 days. If there is still more than three days, it is stubborn erratic, and stubborn erratic can not be simply considered to be caused by the failure of stomach qi, stomach qi upward rebellion. In clinical practice, doctors have summarized the pattern and cause of the disease, which is clearly caused by chemotherapy drugs that damage the phrenic nerve and cause hiccups. Acupuncture is recommended for the treatment of the phrenic nerve, which has a significant effect on the treatment and repair of the phrenic nerve. Acupuncture along the route of the phrenic nerve for 20-30 minutes/day for 3-5 days can effectively relieve hiccups.