Clinically there is no clear data to prove that Yin Chen, jujube drink how long effective, according to the patient’s personal constitution and condition of the drug Qi xiao time variable, there is no uniform statement. 1. Yin Chen is the dry above ground part of the plant Artemisia annua or Artemisia japonica of the family of Asteraceae, which has the effect of clearing dampness and heat, relieving bile and jaundice (dredging the bile ducts of evil qi and eliminating jaundice), and is mainly used for jaundice with little urine, dampness and warmth (feeling dampness and heat caused by the temperature), summer dampness and itching of wet sores. 2. Jujube is the dried ripe fruit of jujube in the family of Rhamnaceae, which has the effects of tonifying the middle and benefiting the qi (treating qi deficiency by tonifying the spleen), nourishing the blood and tranquilizing the spirit (stabilizing the spirit and soothing the emotions by nourishing the blood), and is mainly used for spleen deficiency with low food intake, loose stool (thinning of feces and lack of shape), and women with dirty and restlessness (disturbing the heart and depressing the heart, and feeling sad and wanting to cry for no reason). The above two drugs are rarely used together. There is no definite data on how long it takes to see the effect, and it needs to be determined according to the specific condition. However, Yin Chen is not recommended to be used for those who accumulate blood and yellow and those who have blood deficiency and yellow. And jujube should not be taken by people with dampness (too much dampness causing fullness and discomfort in the spleen and stomach) or with stagnation or phlegm-heat. Consultation with a doctor is recommended for specific medication.