Concealed water outlet system, shower system and counter basin system based on concealed water outlet system and construction method of shower system and counter basin system

The invention discloses a concealed water outlet system, a shower system and a counter basin system based on the concealed water outlet system and a construction method thereof.The concealed water outlet system comprises a concealed valve body, the concealed valve body is used for being installed in a wall in an embedded mode, the concealed valve body comprises a water inlet end and a PPR valve seat, the water inlet end is integrally installed on the PPR valve seat, and the water outlet end is connected with the water inlet end. The water inlet end comprises at least two water inlet end units, the water inlet end units are used for being in butt joint with a PPR water pipe through sweat soldering, and the water inlet end communicates with the water outlet end through a mixed flow valve seat; based on installation of the water outlet system, a shower system and a counter basin system can be formed in a matched mode. Through the optimized design, the wall body embedded type is combined with the quick-mounting s