Comfortable automobile seat with adjustable backrest

The utility model relates to a comfortable automobile seat with an adjustable backrest. The technical problem to be solved by the utility model is to provide a comfortable automobile seat with an adjustable backrest. According to the technical scheme, the chair comprises a chair backrest part, a comfort adjusting device is arranged in the chair backrest part, the comfort adjusting device comprises a backrest inner fixing plate, a waist supporting block assembly and a massage disc device, and the backrest inner fixing plate comprises a fixing main plate and a fixing side plate. The waist supporting block assembly comprises a supporting block positioning rod assembly, a waist supporting block arranged on the supporting block positioning rod assembly in a swinging mode, a first spring and a second spring, and the first spring and the second spring are both arranged between the waist supporting block and the fixed main plate. The automobile seat cushion has the advantages that the waist supporting block with the