Birch Mushroom is an ingredient and does not possess hot or cold properties. Birch mushrooms contain birch fucoxanthin, fungal peptides, organic selenium, birch fucoxanthin alcohol, a variety of antioxidant triterpenoids, superoxide dismutase, low molecular polyphenols, organic germanium, folic acid derivatives, aromatic vanillic acid, butyric acid tannin compounds, and lignin compounds and other more than 215 kinds of useful ingredients, appropriate consumption of the body is conducive to health. Birch mushrooms contain relatively high purine, after eating may elevate uric acid, easy to induce or aggravate gout disease. Patients with gout and high uric acid are not recommended to eat more birch mushrooms. Those who are allergic to birch mushrooms should not consume birch mushrooms. If you feel unwell, it is recommended to seek medical advice as soon as possible.