Atractylodes macrocephala is used in the treatment of weak spleen qi (weak spleen qi), loose stools (scanty and unformed feces), edema and low urine output, sweating due to deficiency of the epidermis (due to weak muscle epidermis and frequent natural sweating), and restlessness of the fetus. Atractylodes macrocephala was first described in Shennong Ben Cao Jing (Classic of the Materia Medica of the Divine Husbandman). It is warm in nature, sweet and bitter in taste, and belongs to the spleen and stomach meridians. Its effects are strengthening the spleen and benefiting the qi, stopping sweating, tranquilizing the fetus, drying dampness and inducing diuresis (drying dampness and reducing water-dampness in the body). Atractylodes macrocephala is mainly used for the deficiency of spleen and stomach qi with loose food, distension and fullness in the epigastrium (abdomen), lack of vitality of the middle yang, phlegm-drinking and vertigo-palpitations (vertigo and palpitations due to phlegm-drinking and evil qi) caused by the loss of healthy movement of the spleen, oedema caused by the deficiency of the spleen and lack of movement of the spleen and the internal retention of water and dampness (water and dampness staying in the body), spontaneous sweating due to deficiency of the exterior and fetal restlessness. The adverse reactions and contraindications of Atractylodes macrocephala are not clear. However, it is warm and dry, and should be used with caution in cases of yin deficiency with heat and dry heat injuring the body fluid. If you need to use the medicine, you should consult a professional doctor first and use it under the doctor’s guidance, do not blindly self-medication.