[en] The β-delayed two-proton emission from ²²Al was investigated experimentally through the implantation-decay method. A β-delayed two-proton decay branch from ²²Al were identified based on the coincidence of the charged particles and γ-ray signals. The relative momentum ($q_{pp}$) and the opening angle (${\theta }_{pp}$) distributions of the two β-delayed protons are measured and a strong peak at $q_{pp}\sim 20\text{MeV/c}$, as well as a peak at ${\theta }_{pp}\sim {30}^{\circ }$ are observed clearly. The β-delayed ²He emission from ²²Al with a probability of 29 (13)% by fitting the experimental data with the results of Monte Carlo simulations.