A person with spleen and kidney yang deficiency (deficiency of yang qi in the spleen and kidneys) has a pale, fat tongue with white slippery moss. Normal tongue coating is light red with thin white moss. In spleen and kidney yang deficiency, the body’s power to push the blood will be weakened due to the lack of yang, resulting in the blood not being able to operate in the tongue veins, which will cause the tongue to be pale and fat with white slippery moss. Kidney main water, if the spleen and kidney yang deficiency led to the qi function malfunction, not able to qi line water (to promote the gas operation, thus promoting the operation of water), dampness on the tongue, will also cause the tongue coating light, moss white slippery, white fat. At the same time, the patient will also have symptoms such as coldness (fear of cold, cold limbs), cold hands and feet, long and clear urine, dizziness and weakness, lumbar and knee soreness (a feeling of soreness and weakness in the lumbar and knee areas), and so on. Patients with spleen and kidney yang deficiency can usually eat more yam, cinnamon and other foods in their diet, and be careful not to eat cold and chilly foods. If necessary, you can also take Jin Gui Ren Qi Pills or Yu Gui Pills to regulate the condition under the doctor’s guidance, together with ginseng spleen tonic pills and other spleen tonic drugs to further treat the condition. The medication should be taken according to the doctor’s instructions.