Hello, four things soup usually drink 2-3 times a day, three meals before meals on an empty stomach, a dose of about 150ML is appropriate, a normal month to drink 7-10 days. When the menstrual problems improve after taking 2-3 days a month maintenance can be. I just started to drink four soup a month to drink 7 days, after the menstrual problems improve a month to drink 2-3 days of maintenance can be, other issues you can go to the official website of the four Fang Yi look, above a lot of four soup related knowledge, and sulfur-free medicinal herbs, now sulfur-free medicinal herbs are very few.