Mountain lettuce, alias wild vegetables, native lettuce, duck food, bitter mustard, bitter vegetables, wild lettuce and so on.

The whole herb can be used as medicine and harvested in summer and autumn. It is cold in nature and bitter in taste. It has the effects of clearing away heat and toxic materials, promoting blood circulation and removing blood stasis, and invigorating the stomach. It can be used to treat appendicitis, tonsillitis, furuncle and swelling, indigestion and postpartum blood stasis.

Pharmacological action: The stigmasterol contained in lettuce can obviously reduce the cholesterol in chicken blood, but has no obvious effect on heart and lungs.