The efficacy and role of Poria extract: 1. Diuresis: Poria cocos rich in Poria has a diuretic effect, can promote the discharge of electrolytes such as sodium, chlorine, and potassium, thereby inhibiting the repeated absorption of renal tubules, helping to eliminate edema, and helping to strengthen the kidney. 2. Improving immunity: Poria contains a large amount of polysaccharides that are easily absorbed by the human body, which can improve the immunity of the human body, play a role in preventing diseases and delaying aging, and is very suitable for people who are chronically ill and infirm. In addition, people who rarely get sunbathing on weekdays can also make up Poria to make up for the weakened immune function caused by lack of sunlight. 3. Protection of digestive system: Some scholars have found that Poria extract has a significant protective effect on liver injury caused by CCl4 in rats, which can significantly reduce the activity of alanine aminotransferase and prevent liver cell necrosis. In addition, some studies have found that Poria has a direct relaxation effect on the isolated intestinal canal of rabbits, has a preventive effect on ulcers formed by pylorus ligation in rats, and can reduce gastric acid. 4. Antibacterial effect: The extract of Poria cocos contains antibacterial and anti-inflammatory components, which can inhibit Staphylococcus aureus, E. coli and Proteus. 5. Brain health: The choline contained in Poria can enhance and improve the memory function of the brain and have beneficial pharmacological effects.