An embedded thermostatic faucet, comprising a body, a hot water connector formed on a front side of a left end of the body and a cold water connector formed on a rear side of the left end of the body, wherein a hot water channel and a cold water channel are formed in the body, an upper surface of a middle portion of the body is provided with a thermostatic hole, the hot water channel is in communication with the cold water channel by means of the thermostatic hole, an upper surface of a right end of the body is provided with an opening and closing hole, the opening and closing hole is in communication with the thermostatic hole by means of a water mixing channel, a matching thermostatic valve core is arranged in the thermostatic hole, a matching opening and closing valve core is arranged in the opening and closing hole, a front water outlet connector is formed on a front side of the right end of the body, and a rear water outlet connector is formed on a rear side of the right end of the body; a water outlet port is formed on an upper surface of the left end of the body, and a left water outlet channel in communication with the water outlet port is formed in the left end of the body; a right water outlet channel is formed in a lower portion of the right end of the body, and an upper end of the right water outlet channel is in communication with the opening and closing hole by means of a first water passing hole; a lower water outlet channel is formed on an inner lower side of the body, and a lower end of the right water outlet channel is in communication with a lower end of the left water outlet channel by means of the lower water outlet channel; the front water outlet connector is in communication with the opening and closing hole by means of a second water passing hole, the rear water outlet connector is in communication with the opening and closing hole by means of a third water passing hole, and upper orifices of the first water passing hole, the second water passing hole and the third water passing hole are all located at a bottom of the opening and closing hole; and a lower end surface of the opening and closing valve core (10 is attached to the bottom of the opening and closing hole, a positioning column is formed on the lower end surface of the opening and closing valve core, and the bottom of the opening and closing hole is provided with a positioning hole matching the positioning column, characterized in that the upper surface of the left end of the body is provided with a hot water check hole and a cold water check hole behind the hot water check hole; wherein the hot water connector is in communication with the hot water channel by means of the hot water check hole, and the cold water connector is in communication with the cold water channel by means of the cold water check hole; and a matching hot water check valve is arranged in the hot water check hole, and a matching cold water check valve is arranged in the cold water check hole. the upper surface of the left end of the body is provided with a hot water check hole and a cold water check hole behind the hot water check hole; wherein the hot water connector is in communication with the hot water channel by means of the hot water check hole, and the cold water connector is in communication with the cold water channel by means of the cold water check hole; and a matching hot water check valve is arranged in the hot water check hole, and a matching cold water check valve is arranged in the cold water check hole.