There is no research related to the harm of sandalwood, but it should be noted that, such as yin deficiency fire, there is a blood cough, do not use it. Sandalwood has the effect of promoting qi and warmth, appetizing and relieving pain, and is often used in the treatment of cold stagnation, chest and diaphragm discomfort. Sandalwood belongs to the qi medicine, for the sandalwood family sandalwood plant sandalwood tree trunk heart material, flavor pungent, warm, into the spleen meridian, stomach meridian, heart meridian, lung meridian. It enters the spleen, stomach, heart and lung meridians. Sandalwood is pungent and warm in nature, and is good at regulating the qi above the diaphragm, treating cold stagnation of qi and cold pain in the chest and abdomen, and is often paired with sedum and patchouli; treating cold stagnation of qi and stagnant blood stasis (due to the lack of smooth flow of qi leading to stagnation of the blood) of thoracic paralysis (stuffy pain in the chest) of cardiac pain, it is often used in conjunction with gaoliangiangiang, yanhuisuo, wicker bark and other medicines. Sandalwood warms the middle Jiao and disperses cold (dispersing cold with medicine that warms the spleen and stomach), opens the stomach and relieves pain, treats cold pain in the epigastrium (cold pain in the stomach and abdomen), plumpness (stomach distension and discomfort) with little food, and vomiting of water (vomit of clear, thin, and watery liquid), and is often used together with cloves and dry ginger. The adverse effects of Sandalwood are not known. If needed, please use under the guidance of a professional Chinese medicine practitioner.