The invention discloses an intelligent human body nursing instrument, comprising an excrement collection device, a waste water bucket, a clean water bucket, a water feed pump and a main machine, wherein the excrement collection device covers human body shit and urine bleeding holes and is used for collecting excrement, the waste water bucket is communicated with the excrement collection device through a waste water pipeline and is used for temporarily storing the excrement, and the clean water bucket is communicated with the excrement collection device through a clean water pipeline and flushes water into the excrement collection device through the water feed pump; the intelligent human body nursing instrument is technically characterized by also comprising a vacuum treatment system coupled with the main machine, wherein the vacuum treatment system comprises a negative pressure module and a positive pressure module, the negative pressure module is connected with the waste water bucket and is used for absorbing water in the excrement collection device, the positive pressure module is connected with the excrement collection device and is used for blowing to the excrement collection device with a blowing direction toward the waste water pipeline. The invention aims to provide the intelligent human body nursing instrument being clean and sanitary, comfortable to use, safe and environment-friendly.