Fennel is a traditional Chinese medicine, fennel ground into powder its efficacy, function, use and so on is still roughly the same as fennel, so fennel powder can be decocted, or take the appropriate amount of external use.
Fennel is the dried mature fruit of fennel in the family Umbelliferae. It is warm in nature and has the effect of dispersing cold and relieving pain, regulating qi and stomach, and can be used in the treatment of cold hernia and abdominal pain (acute abdominal pain caused by internal cold and external wind-cold), dysmenorrhea, cold pain in the abdomen, testicular drop and distension, as well as the treatment of cold and cold stagnation of the spleen and stomach, low food and vomiting and diarrhea, and epigastric distension and pain in the epigastrium and stomach.
The correct use of cumin is decoction or external application, external application of appropriate amount can be. Fennel should be used in accordance with medical advice, not self-medication.