Aluminum foil has little harm to human body and good recyclability. Tin foil damages the skin and has a great impact on the environment. Aluminum foil will not bring obvious health risks under normal use. Excessive contact with hot surfaces during high-temperature cooking can lead to burns. In contrast, the tin foil formed by sticking tin film on aluminum foil is fragile and easy to stab the skin. The manufacturing process includes sticking a thin tin film on the surface, which increases environmental pollution and resource consumption. On the other hand, because of its good recyclability and low energy consumption.