Flow guide unit, flow guide layer and absorption core body applied to absorptive article and corresponding absorptive article

The invention discloses a flow guide unit, a flow guide layer and an absorption core body applied to an absorptive article and the corresponding absorptive article. The flow guide unit comprises a substrate layer and a multi-branch liquid flow channel on the substrate layer; the multiple branch liquid flow channels guide liquid to diffuse towards the tail ends of the branch liquid flow channels. By means of the multi-branch liquid flow channels on the flow guide unit, urine entering the liquid flow channels can be rapidly conducted towards the outer side of the base layer in multiple directions, local excessive accumulation and expansion caused by uneven distribution of the urine are avoided, the situation that the urine stays on the flow guide unit for a long time is avoided, and reverse osmosis caused by local accumulation of the urine is also avoided. By utilizing the flow guide units, a composite flow guide network can be formed in the corresponding flow guide layer, the absorption core body or the absorp