What is the method of making he shouwu brewed water?

The method of making he shou wu brewing water is to prepare 6 to 12g of he shou wu, cut into small slices in a cup, add boiling water, wait for 30 seconds after the water is poured out, and then re-flush into the boiling water, and then take out the brewing water for 5 minutes and then drink it directly.
It is a kind of concocted product of He Shouwu, which is concocted by He Shouwu and black bean juice. According to traditional medicine, He Shouwu is bitter, sweet, astringent and slightly warm, belonging to the meridians of the liver, heart and kidney, and it has the effects of tonifying the liver and kidney, making hair black, benefiting the essence and blood, as well as strengthening the tendons and bones, etc., and it can be taken in daily life through brewing water.
It can be used to treat symptoms such as blood deficiency and yellowing, premature whitening of hair, dizziness, tinnitus, lumbar and knee pain, numbness of limbs, as well as disintegration (excessive menstrual flow or dribbling) and hypoglossia.
Its adverse effects and contraindications are not yet clear. The effective dosage of herbal infusion tea is limited and generally cannot achieve a good therapeutic effect. It is recommended that patients should take He Shou Wu infusion under the guidance of a doctor and in accordance with medical advice. If the symptoms are more serious, it is necessary to go to the hospital in time to avoid delay.