Abstract:Six indoloquinazoline alkaloid, rutaecarpine (1), evodiamine (2), hydroxyevodiamine (3), acetonylevodiamine (4), formyldihydrorutaecarpine(5) and evodiamide(6), among which(4) was a new one, were isolated from the fruit of Evodia rutaecarpa. Their structures were established mainly through spectral analysis and chemical transformation.