There is no clear indication in the instruction manual as to whether to take Xiezhu Pill before or after meals. It is generally recommended to take before meals to increase the absorption of drugs, if you take before meals appear stomach discomfort, can be changed to take after meals, in order to reduce the stimulation of the drug on the gastrointestinal tract. Xieyu Pill is composed of Bai Shao, Chai Hu, Angelica Sinensis, Uljin, Poria, Lily, Acacia Pi, etc. It has the effect of dredging the liver to relieve depression (treating depression by dredging the liver qi) and nourishing the heart to tranquilize the mind (stabilizing the mind by nourishing the heart). It can be used for the symptoms such as chest and ribs distension, depression and discomfort, heartburn, irritability, insomnia and dreaminess caused by liver depression and stagnation of qi (poor transportation of qi and blood in the liver and depression of emotions), and restlessness of the heart and mind. The adverse reactions and contraindications of taking Undulant Pill are not clear, eat less cold and greasy indigestible food during the period of taking, and should not be taken when you have a cold. If you need to take this medicine, it is recommended to consult a professional doctor.