What is the pain in the back of the left head?

The pain in the back of the head on the left side belongs to migraine. As long as it is a headache on one side, it belongs to migraine. The occurrence of migraine is generally related to the stagnation of the liver and gallbladder meridian. If it occurs in the back of the head, it may also be related to the obstruction of the bladder meridian. The cause of the obstruction of the liver and gallbladder meridian is generally caused by the current anger or bad rest caused by the deficiency of liver yin. When the liver wind is relatively strong. Sometimes it is also caused by wind.