Malan, alias: fish skewers, purple chrysanthemums, tanabean chrysanthemums, roadside chrysanthemums, Malantou, chicken intestines and Malan eggs. Perennial herbs. Born in fields, furrows and roadsides. There are rhizomes underground, creeping, creeping. The stem is erect and the upper part is multi-branched. Leaves alternate, oblanceolate-elliptic, sharp at the apex, coarsely serrated at the edge, lobed or pinnately parted, with different shapes, green on the surface, light green on the back and hairless; The leaves on the upper part of the stem are intact. It blooms in autumn, with terminal lateral flower heads, blue flowers and yellow center. Achenes are flat and slightly hairy. The whole grass can be harvested all year round, fresh or dry. Indications: clearing away heat and toxic materials, removing blood stasis and stopping bleeding, and resolving food stagnation. Can be used for treating mumps, acute infectious hepatitis, traumatic hemorrhage, epistaxis, epistaxis, subcutaneous hemorrhage, cervical lymphadenitis, acute mastitis, dyspepsia, acute orchitis, and otitis externa.