The invention provides an environment-friendly thermoplastic polyolefin (TPO) auto interior material comprising a TPO surface layer, and a polypropylene foam layer which is compounded with the TPO surface layer, wherein the TPO surface layer is formed by semi-crosslinked TPO, polypropylene, polyethylene, a light stabilizer, an antioxidant, a fire retardant, a filler, an extinction material, a scratch resistant agent and a pigment. The TPO auto interior material disclosed by the invention has the advantages of being good in decorative property, environment-friendly and recoverable, low in odor, low in haze, high and low temperature resistant, weather-resistant, free of separated bloom, good in machinability, high in qualification rate, low in cost, and high in bonding strength with a skeleton, and still can keep good matting property and scratch resistance after being scrubbed.