Disclosed are a child sitting saddle and a child stroller, the child sitting saddle comprises an enclosure frame assembly, a plug connector, a seat rod assembly and a cloth cover including a seat cloth cover and a backrest cloth cover; the child sitting saddle further comprises a first lock mechanism for locking the enclosure frame assembly with the plug connector, a connecting rod and a second lock mechanism disposed between the seat rod assembly and the connecting rod; when in a chair state, the seat rod assembly obliquely intersects with the backrest cloth cover; when in a sleeping basket state, the seat rod assembly, the seat cloth cover and the backrest cloth cover are all disposed horizontally. The child sitting saddle can be converted between the chair state and the sleeping basket state, and the conversion is convenient.