The invention relates to the technical field of air purification and particularly relates to a fresh air transfer and supply system. The fresh air transfer and supply system comprises an air freshening area and an air pollution region, wherein an air freshener is arranged in the air freshening area; an output end of the air freshener is connected with a low-pressure air pipe; the low-pressure air pipe extends into the air pollution region and the right end is closed; a low-pressure air pipe segment in the air pollution area is connected with a micropressure air pipe through a quick coupling; and an air outlet end of the micropressure air pipe is provided with a breathing mask. The fresh air transfer and supply system is suitable for use in various bad air working environments, the condition that a worker breathes fresh air can be ensured no matter how bad the air environment in an operation area is, and the personal health of the worker is ensured.