γ‐aminobutyric acid is a four‐carbon non‐protein amino acid that exists in all organisms. In recent years, with the advancement of science and technology, people's research contributions in molecular biology have become increasingly prominent. This article discusses the role of γ‐aminobutyric acid in the process of plant growth and development, reviews the current research status at home and abroad, and prospects the future research prospects of γ‐aminobutyric acid.