A pre-tax health plan is a kind of program that lets workers put some of their pay cheques aside before taxes are taken off. Instead of paying taxes on all of their income, people in the program first pay for qualified costs with part of their wage. This lowers the amount of income that is taxed. https://postr.blog/understanding-pre-tax-health-plans-and-section-125-plans-a-smart-way-to-save