1 has the effect of clearing away heat and toxic materials, and is suitable for syndromes such as excessive heat toxicity, carbuncle swelling, backache, dysentery and red eyes.

2 detumescence and pus discharge: leakage of reed in Yuzhou is the main drug for detumescence and pus discharge. Salt can soften and harden, and cold can detoxify, so taking it will cause diarrhea and make evil come out from the bottom. Can be used for treating breast abscess, lymphoid tuberculosis, malignant ulcer, etc.

3 Tongru Yuzhou Lulu tastes bitter, diarrhea, and has the effect of menstruation and lactation. It is a commonly used medicine for puerperal galactorrhea, and is often combined with Cao Tong and Vaccaria.

4 Tongluo Meridian Yuzhou leaks reed, which is good at relieving diarrhea and has the function of relaxing meridians and activating collaterals. Mostly used for damp arthralgia, bone and joint pain, unfavorable flexion and extension, heavy hands and feet, and inconvenient movement.