In　offset　printing　color　detect　and　control　system,　Ink　to　color　experiment　data　is　important　for　research　of　ink　to　color　algorithm　and　accuracy　of　color　control.　Open　ink　to　color　experiment　database　is　convenient　for　user　to　add　new　data　according　to　his　demand,　for　improving　the　generality　and　control　accuracy　of　the　color　detect　and　control　system.　After　the　determination　of　the　ink　to　color　experiment　scheme,　the　ink　to　color　experiment　is　carried　out　aiming　at　the　4-color　offset　printing　machine　of　Beiren　Group　Corporation.　The　ink　to　color　experiment　database　is　designed　considering　all　the　factors　that　affect　the　ink　to　color　experiment　data;　And　the　open　ink　to　color　experiment　database　management　system　is　developed　using　Visual　C++　and　MySQL,　and　it　is　convenient　for　user　to　query,　add,　delete,　and　change　data.