A kind of light shading type manicure phototherapy unit includes a housing unit, a solidification lamp group, a timer, a switching switch and a radiator fan. The housing unit includes one around defining a room and outer cover body with an opening, one the bottom plate of the what outer cover body bottom side is removably arranged and one can be rotatably set the what outer cover body to cover the hood for covering the opening. The solidification lamp group is arranged in the what outer cover body and accommodating what room, to generate light source. The what outer cover body is arranged in the timer, to control the irradiation time of the light source of the solidification lamp group. Switching switch setting what outer cover body. The radiator fan is arranged in the what outer cover body. By the design of the hood, the light source that can cover solidification lamp group generation is leaked from the opening, to avoid the injury for causing user's eyes.一種遮光式美甲光療機，包含一殼體單元、一固化燈組、一計時器、一切換開關，及一散熱風扇。該殼體單元包括一圍繞界定出一容室且具有一開口的外殼本體、一可卸除地設置於該外殼本體底側的底板，及一可轉動地設置於該外殼本體以蓋覆該開口的遮光罩。該固化燈組設置於該外殼本體且容置於該容室內，以產生光源。該計時器設置於該外殼本體，以控制該固化燈組之光源的照射時間。該切換開關設置於該外殼本體。該散熱風扇設置於該外殼本體內。藉由該遮光罩的設計，可以遮蔽該固化燈組產生的光源從該開口洩露出來，以避免造成使用者眼睛之傷害。
