Dull yellow skin is mostly caused by spleen deficiency and dampness, deficiency of qi and blood, etc. Under the guidance of doctor, you can use ginseng ling bai ju san, eight treasures granules and other medicines to regulate the skin. 1. Spleen deficiency and dampness: Spleen deficiency and dampness can cause yellowish skin, accompanied by symptoms such as reduced diet, fullness in the stomach and epigastrium, and loose stools. Under the guidance of the doctor, you can use ginseng and atractylodes, Xiangsha Liujunwan, Chenxia Liujunzi Pills and other drugs to regulate. 2. Deficiency of qi and blood: Deficiency of qi and blood can cause yellowish skin, accompanied by symptoms such as lack of energy and laziness (lack of strength, not wanting to talk), fatigue (mental exhaustion, physical weakness), spontaneous sweating (involuntary sweating during the day, aggravated by sweating with a little movement) and other discomforts. Under the guidance of a doctor, medicines such as Tonify Zhong Yi Qi Pills, Ba Zhen Granules and Ginseng Nourishing Glory Pills can be used to regulate the condition. All of the above drugs should be used under the guidance of a doctor. It is recommended that patients with yellowish skin should consult a doctor in time to have their skin regulated by a professional doctor.