There is no such thing as “saffron, mugwort, ginger and pepper foot bath ratio”. Chinese medicine foot soak is an external treatment, but like oral prescription, pay attention to evidence-based treatment, different symptoms of different formula is also different (flavor, proportion, etc.), can not be generalized. Note that this formula is more suitable for cold, blood stasis evidence, hot patients should not be used, the external use of traditional Chinese medicine is limited, less effective than the internal use of tonics. Safflower is warm in nature, with the effect of activating blood circulation, dispersing blood stasis and relieving pain. It is used for treating amenorrhea, dysmenorrhea, post-partum dysmenorrhea, abdominal lumps and stinging pains, bruises, skin sores and pains, etc. It is not recommended for pregnant women. Pregnant women should be used with caution. Mugwort is warm in nature and has the ability to dispel cold and relieve pain (by removing cold from the body to relieve pain), warm menstruation and stop bleeding (warming the body’s meridians to stop bleeding in the body) treatment, treating cold pain in the abdomen, cold uterus and menstrual disorders, infertility, vaginal bleeding during pregnancy, vomiting blood, bleeding teeth and other diseases. It is not to be used if there is heat in the yin deficiency. Ginger is mildly warm in nature, with the effects of relieving cold (removing cold from the surface of the muscles), warming the stomach and stopping vomiting (treating vomiting caused by cold stomach by warming the spleen and stomach), resolving phlegm and relieving cough, treating cold stomach, cold and pain in the abdomen, coughing and coughing up phlegm, running nose, and being afraid of cold, etc. It is not to be used if there is heat in yin deficiency. Yin deficiency with heat should not be used. Pepper is warm in nature, has the effect of warming the center to relieve pain (by warming the spleen and stomach to relieve pain), kill insects and stop itching, the main treatment of cold pain in the stomach and abdomen (stomach and abdomen feel cold pain), vomiting and diarrhea, roundworm abdominal pain, eczema and itching and other diseases. Not to be taken by people with yin deficiency and fire exuberance. Use with caution in pregnant women. The drug needs to be used under the guidance of a doctor, do not use it blindly on your own.