Methods: Take a little cotton, soak in 75% alcohol, and then take out the plug in the patient's external ear canal.

Do not move too fast when inserting the alcohol cotton to avoid dizziness caused by contact with the eardrum. Winter should first put the cotton on the outer ear canal for a few seconds, and then slowly plug in. It is better to take the medicine in the supine position.

The external auditory canal has the function of drainage, after a few hours the cotton can be discharged by itself. If it cannot be discharged by itself, it can be removed the next day. Use the left and right ears alternately or simultaneously. If accompanied by headache and dizziness, the left side pain plug left external auditory canal, right side pain plug right external auditory canal.

After applying the medicine, more than half of the girls can disappear within a few minutes, and more than 90% of the girls can stop the pain in half an hour.

Chinese medicine believes that dysmenorrhea is caused by cold and dampness stagnation or Qi stagnation and blood stasis, and there is a close connection with the whole body meridians, dipping in light irritating alcohol cotton to stimulate the external ear canal, with dredging meridians, Qi and blood function, so can make dysmenorrhea quickly relieved.