A child carrier comprising: a carrying harness including a waist strap and two shoulder straps; and a child supporting part connected with the carrying harness, the child supporting part including a torso support portion and a neck support portion connected with each other, and a head cover deployable outward for use and stowable inside a storage pocket provided in the neck support portion, the child supporting part further including a hip support portion and two thigh support portions; wherein the neck support portion is adjustable to a desirable vertical position relative to the torso support portion by folding over the torso support portion; characterized in that: the child supporting part and the shoulder straps detachably fasten to each other via first and second coupling assemblies (140, 150), the first coupling assembly including two sets of first and second connectors (141, 142); the two shoulder straps respectively have the two first connectors operable to engage and disengage the two second connectors that are respectively appended to a left and a right side of the torso support portion via two belt portions, the two belt portions being respectively attached to the torso support portion adjacent to a top thereof and remotely distant from the hip support portion; and the neck support portion is detachably connected with the top of the torso support portion via a fastener, the fastener being engaged to connect the neck support portion with the torso support portion and disengaged to remove the neck support portion from the torso support portion. a carrying harness including a waist strap and two shoulder straps; and a child supporting part connected with the carrying harness, the child supporting part including a torso support portion and a neck support portion connected with each other, and a head cover deployable outward for use and stowable inside a storage pocket provided in the neck support portion, the child supporting part further including a hip support portion and two thigh support portions; wherein the neck support portion is adjustable to a desirable vertical position relative to the torso support portion by folding over the torso support portion; characterized in that: the child supporting part and the shoulder straps detachably fasten to each other via first and second coupling assemblies (140, 150), the first coupling assembly including two sets of first and second connectors (141, 142); the two shoulder straps respectively have the two first connectors operable to engage and disengage the two second connectors that are respectively appended to a left and a right side of the torso support portion via two belt portions, the two belt portions being respectively attached to the torso support portion adjacent to a top thereof and remotely distant from the hip support portion; and the neck support portion is detachably connected with the top of the torso support portion via a fastener, the fastener being engaged to connect the neck support portion with the torso support portion and disengaged to remove the neck support portion from the torso support portion. the child supporting part and the shoulder straps detachably fasten to each other via first and second coupling assemblies (140, 150), the first coupling assembly including two sets of first and second connectors (141, 142); the two shoulder straps respectively have the two first connectors operable to engage and disengage the two second connectors that are respectively appended to a left and a right side of the torso support portion via two belt portions, the two belt portions being respectively attached to the torso support portion adjacent to a top thereof and remotely distant from the hip support portion; and the neck support portion is detachably connected with the top of the torso support portion via a fastener, the fastener being engaged to connect the neck support portion with the torso support portion and disengaged to remove the neck support portion from the torso support portion.