What is the difference between kidney deficiency and spleen deficiency?

Spleen deficiency is commonly caused by digestive system diseases, and patients will be accompanied by abdominal distension, physical weakness, limb fatigue, pale tongue coating, obesity and edema symptoms. It is recommended to use Shenling, Baishu and other traditional Chinese medicine for conditioning; kidney deficiency is mainly caused by sexual function decline, the most obvious symptoms are waist soreness, fear of cold, night sweats, tinnitus and so on.