Based on the method of conservation of energy metabolism（COEM）

an integrator of sensors is designed to measure the blood sugar level non-invasively

which size is 60 mm×30 mm×85.5 mm.Including the base

the blood flow measuring region of the finger surface

the metabolism rate measuring region of the part of finger

the oxygen saturation infrared measuring region of the part of finger

the link region of circuit and the signal in-out region.The integrator is integrated by the temperature sensors

the humidity sensors

the radiation sensors

the dual emitter photodetectors（660 nm/905 nm）at some implementary conditions.Blood sugar level is achieved non-invasively by the integrator.The results of 20 preliminary clinical experimentations suggest that the correlative coefficient is up to 0.807 between the integrator and automatic biochemical analyzer（AUTOLAB18）

which shows strong correlation and good coherence.The average relative error is 7.0 %

and the boundary of average relative different is less than 0.5 through the statistical error analysis

which shows the measuremental results is effective and accurate.