PROBLEM TO BE SOLVED: To provide a novel composition for promoting nerve growth factor. SOLUTION: The composition for promoting nerve growth factor is a diatom Pteryformes, haptophyta Cochleophora genus Pleurochrysis, primordial Rhodophyta chinorimo, chinorimo genus, Chlorophyceae genus Desmodesmus, genus Chlorophyceae genus Yokowamidoroea Coerastratum. It contains, as an active ingredient, an extract of algal bodies belonging to the genera Cyanobacteria Nostocopsis, Cyanobacteria Nostocoptera, Nostoc Nostoc, Trebouxia, Chlorella, Chlorella, and Cyanobacteria, Ulsulospira. [Selection diagram] Figure 1【課題】新規な神経成長因子促進用組成物を提供する。【解決手段】神経成長因子促進用組成物は、珪藻綱羽状目、ハプト藻綱円石藻目プレウロクリシス属、原始紅藻綱チノリモ目チノリモ属、緑藻綱ヨコワミドロ目デスモデスムス属、緑藻綱ヨコワミドロ目コエラストルム属、藍藻綱スチゴネマ目ノストコプシス属、藍藻綱ネンジュモ目ネンジュモ属、トレボウクシア藻綱クロレラ目クロレラ属、藍藻綱ユレモ目アルスロスピラ属に属する藻体の抽出物を有効成分として含有する。【選択図】図1