White Poria cocos and red Poria cocos in the traits, efficacy and main treatment, contraindications, there are differences. 1. Characteristics: white Poria cocos slices are white to light reddish brown, 1-3mm thick, 2-5cm in diameter, the edge is not neat; powdery, visible tiny dotted vascular bundles and most of the small bright spots, no special smell, taste slightly sweet, astringent. Red Poria cocos, drinking slices of reddish brown or dark brown, 3 to 7.5cm in diameter; the cut surface is rougher, the center has more dots or short lines of vascular bundles, with a strong pungent odor, astringent taste. 2. Efficacy and treatment: white Poria cocos is calm in nature, good at clearing away heat and dampness (removing heat and dampness in the body), detoxifying and reducing swelling, and is mainly used in the treatment of urinary tract infections, prostatitis, vaginitis, skin infections and other diseases. Poria cocos is warm in nature, good at dispelling wind and activating blood circulation and detoxification, mainly used in the treatment of rheumatism and arthritis, lumbar and leg pain, bruises and other diseases. 3. Contraindications: White Earth Poria has strong cleansing effect, and should not be used by patients with liver and kidney yin deficiency (deficiency of yin in liver and kidney); Red Earth Poria is pungent and warm in nature, and should not be taken by patients with qi and yin deficiency, and should not be used for febrile diseases. The use of medication should be in accordance with medical advice.