The efficacy of dandelion and jujube in water is mainly to clear away heat and detoxification (removing heat and toxicity in the body), eliminating swelling and dispersing lumps and so on. 1. Dandelion is bitter, sweet, cold in nature, belonging to the liver and stomach meridian, with the effect of clearing away heat and detoxification, eliminating swellings and dissipating lumps, diuretic and diaphoretic (to improve the problem of dribbling in the urine and the problem of small amount of urine not being able to be passed), it can be used for treating furunculosis (mostly occurring in the limbs or facial sores, with the shape of a small root base deep, such as nails, hard) swelling and toxins, carbuncle, redness of the eyes, sore throat, carbuncle, and so on. Non-solid heat evidence and yin gangrene (is a class of slow condition of the general term of the negative sores and ulcers), be careful to take dandelion. 2. Jujube is sweet in taste, warm in nature, and belongs to the spleen, stomach and heart meridians. It has the effects of tonifying the middle and benefiting the qi (treating qi deficiency by replenishing the spleen), nourishing the blood and calming the mind (stabilizing the mind and soothing the emotions by nourishing the blood), and it can be used to treat deficiency of the spleen with little food, and loose stools with fatigue (thin and unshaped feces). It should be taken with caution or contraindicated in cases of dampness, phlegm condensation, food stagnation, worms accumulation and tooth disease. Dandelion and jujube in water, jujube on the one hand can neutralize the coldness of dandelion, on the other hand can improve the taste. Therefore, dandelion jujube infusion is mainly based on the efficacy of dandelion. The use of drugs is recommended under the guidance of a doctor.