Capsules of red bean fir are mostly referred to as compound red bean fir capsules, and this medicine does not normally cause vertigo. Compound sequoia capsule is composed of red ginseng, licorice, silicon dioxide, sequoia bark. This drug does not cause patients to experience vertigo, and the common clinical adverse reactions are mild nausea and vomiting and other gastrointestinal discomfort, as well as muscle aches and pains, and decreased white blood cells. Compound sequoia capsule has the efficacy of dispelling evil spirits and dispersing knots, and is suitable for the adjuvant treatment of chemotherapy for middle and advanced lung cancer caused by qi deficiency, phlegm and stasis, and this drug should be used with caution when white blood cells are lower than 2500. Vertigo symptoms involve a variety of diseases and multiple disciplines, if such symptoms exist during the use of medication, it is necessary to go to the regular hospital in time to find the cause of the disease and symptomatic treatment.