Regular use of sandalwood has the effect of moving the qi and regulating the middle, opening the stomach and relieving pain. The adverse effects of sandalwood are not yet clear, but it is pungent and warm in nature, and its regular use may lead to sores on the mouth and tongue, sore throat and congested furuncles (sores mostly occurring on the limbs or face, with small shapes and deep roots that are as hard as nails), and other discomforts. Long-term use of sandalwood is not recommended and requires the use of herbal medicine under the guidance of a physician. Sandalwood is the heartwood of sandalwood, family Sandalwoodaceae, taste pungent, warm, into the spleen, stomach, lung meridian, with the efficacy of promoting qi and warmth, appetizing and relieving pain, used for the treatment of cold stagnation of qi caused by the chest and diaphragm uncomfortable, chest paralysis (chest stifling pain) heart pain, epigastric (abdominal) pain, vomiting and eating less and other conditions. The adverse reactions and contraindications of this product are not clear. Discomfort should seek medical advice in time, under the guidance of physician’s diagnosis and selection of medication, not self-medication, so as not to delay the condition.