A pet status monitoring method includes the following steps. A soft pad is tiled on the side of pet plate of a feeder main part. A pet weight is detected by the soft pad. A pet image is captured. A pet identification result is generated according to the pet weight and the pet image corresponding to the pet weight. A fodder weight is generated according to the identification result. An amount of fodder with the equal amount of the fodder weight is released to the pet plate. In addition, a pet status monitoring device is also provided.一種寵物狀況監控方法包含以下步驟:平鋪可伸縮設置於一餵食器主體內的一柔性墊於餵食器主體之設有寵物食盤的一側;透過柔性墊感測一寵物體重值;擷取一寵物影像;依據寵物體重值及對應寵物體重值的寵物影像產生一寵物識別結果,並根據寵物識別結果生成一飼料重量投放值;投放與飼料重量投放值等額的飼料量至一寵物食盤。此外,一種寵物狀況監控裝置亦在此揭露。S201~S207‧‧‧步驟