Brown sugar ginger water has certain effects of tonifying blood, dispersing blood stasis, warming the liver, dispelling cold, tonifying the middle and dispersing cold, and relieving menstrual cramps. It is not suitable for people with weak spleen and stomach, heavy menstruation, diabetes, dry stools, sore throat and dry heat. Brown sugar has the effects of tonifying blood, dispersing blood stasis, warming the liver and dispelling cold; ginger has the effects of relieving cold (removing cold from the muscle surface), warming the stomach and stopping vomiting (treating vomiting caused by gastric cold by warming the spleen and stomach), resolving phlegm and stopping cough, and relieving the toxicity of fishes and crabs. Combined, it can tonify Qi and nourish blood, warm menstruation and activate blood circulation, and is suitable for treating dysmenorrhea of the cold and blood stasis type, which is characterized by cold pain and refusal to be pressed in the abdomen before or during menstruation, reduction of pain with warmth, scanty amount of menstrual blood with dark color and lumps, coldness and coldness of limbs (being afraid of being cold with cold limbs), and greenish whiteness of the face, and other symptoms. If you are not feeling well, you should seek medical advice and apply it reasonably under the guidance of a doctor.