The difference between ripe rhubarb and raw rhubarb is that the concoction process, efficacy, and main treatment are different. Rhubarb belongs to the class of laxative Chinese medicine, bitter in taste and cold in nature, belonging to the spleen, stomach, large intestine, liver and pericardium meridians, with the effects of laxation and attacking the accumulation, clearing away heat and fire, cooling the blood and detoxifying the toxin, stopping bleeding, expelling blood stasis and opening up the meridians, and inducing diuresis to relieve the yellowish color. Raw rhubarb is the uncooked rhubarb, and cooked rhubarb is the steamed rhubarb, i.e., the rhubarb that has been cooked with water vapor. Raw rhubarb has a strong diarrhea effect, such as rhubarb treatment of solid heat stagnation constipation should be used raw, raw rhubarb in the soup should not be decocted for a long time, but also can be used to soak in water. Cooked rhubarb is weaker in diarrhea, can reduce abdominal pain, and at the same time promote blood circulation, remove blood stasis, fire detoxification effect is enhanced, such as rhubarb treatment of abdominal pain, bruises or skin redness, swelling, heat and pain, etc. should be used cooked. Note that rhubarb should not be used for a long time, pregnant women, menstruation, breastfeeding, and people with weak spleen and stomach should not use. If you need to use drugs, please consult a professional physician and pharmacist, do not self-medication, so as not to delay the condition.