Shiitake mushroom powder is not harmful when consumed in moderation, but excessive consumption may cause vomiting, diarrhea, bloating and other hazards. Shiitake mushroom powder is a kind of food made from shiitake mushrooms, in which every 100g of dried shiitake mushrooms contains 20g of protein, 61.7g of carbohydrates, 285mg of phosphorus, 464mg of potassium, 147mg of magnesium, which in moderation can help to replenish nutrients needed by the body, provide energy, and maintain the body’s normal physiological functions. Shiitake mushroom powder also contains crude fiber and other ingredients, moderate consumption will not cause any harm, but excessive consumption is likely to aggravate the burden on the stomach and intestines, causing diarrhea, bloating and other uncomfortable symptoms. Although Shiitake mushroom powder contains protein and other nutrients, but any food needs to be in moderation, otherwise it will affect the dietary balance.