Huang Lian E Jiao Tang modified(LPI) is a deeply restorative formula for patients suffering from persistent heat and yin injury following prolonged febrile or inflammatory illness. It is particularly indicated for symptoms such as lingering low-grade fever, tidal heat, vexation, and irritability with insomnia or restless sleep. Patients often present with palpitations, anxiety, poor concentration, and dream-disturbed sleep reflecting depletion of Heart Yin and agitation of the Shen. Dry mouth, dry throat, and a parched, cracked tongue with scanty coat further suggest the pattern of yin deficiency with residual heat smoldering internally. Clinically, this modified version is especially useful when there is emotional volatility, night sweats, or a thin, rapid pulse, pointing to damaged fluids and blood failing to anchor the Spirit. By clearing lingering heat while enriching Yin and nourishing Blood, it calms the mind, cools internal restlessness, and promotes restorative sleep.