Heat in the lungs and chest, cough, asthma, chest pain, mentioned classically for whooping cough (use cupping).
Supporting point for chronic conditions affecting the lungs, for deficiency asthma, exhaustion from deficient Lung qi.
Used for strengthening deficiencies and promoting strong development in children, epilepsy.
Classically noted for "seeing ghosts" and "rage with desire to kill" (deadman text) - which can indicate a range of stronger modern psychological issues such as schizophrenia, manic depression, bipolar depression. It does this by clearning excess heat from heart and lungs (i.e. chest), which can lead to an unsettled spirit.