... there are 6 type herbal bags (A, B, C, D, O, X) based on different diseases.Type A (For ... , bellyache, gastroenteritis, prostatitis, hepatitis, irregular menstruation, dysmenorrheal.Type C (For Bone). Function: clearing winddamp, relaxing tendons and activating ... impotence, premature ejaculation, and enhance the immune function.Type O (For Lung). Function: warming lung and reducing phlegm. ...