Ming tian Ma or Tian Ma (Rhizoma Gastrodiae Elatae) is also known as Gastrodia Tuber. The sweet and neutral herb has been used in TCM to relieve pain, treat neurasthenia and insomnia, depression, blood-vessel type of migraine, etc., as it calms internal Wind and convulsions, soothes the Liver, controls ascending Yang due to Yin Deficiency, …