A kind of water sprinkler enters water switching device, and water sprinkler includes a pinion stand and a water wheels seat, which has a limit hole, which has two water outlets, and it includes a locating part, an operating parts and a swing seat that this, which enters water switching device,. The what pinion stand is arranged in the locating part. The operating parts swingably wears the what locating part, and the push rod and the connection what push rod one end for wearing the what limit hole including one and with the actuator block of a recess. The swing seat includes a plate body and the projection what plate body and extends to the pillar in the recess. Wherein, when the push rod is stirred Hou by external force, the limitation through the limit hole and interlock the actuator block and push against the pillar wherein side, allow the plate body beat and cover and cover a what wherein water outlet. In this way, to reach the purpose for entering water switching automatically.一種灑水器之入水切換裝置，其灑水器包括一齒輪座，及一水輪座，該齒輪座具有一限位孔，該水輪座具有二出水口，該入水切換裝置包含一限位件、一操作件，及一擺動座。該限位件設置於該齒輪座。該操作件可擺動地穿設於該限位件，並包括一穿設於該限位孔的推桿，及一連接於該推桿一端且具有一凹口的致動塊。該擺動座包括一板體，及一凸設於該板體且延伸至該凹口內的凸柱。其中，當該推桿受外力撥動後，經該限位孔的限制而連動該致動塊推抵該凸柱其中一側，讓該板體偏擺而蓋覆於其中一出水口。如此，以達到自動入水切換之目的。
