.1. level laying aside storage, relative humidity in 45 about; The temperature in 24 about is suitable.2.Directly do not expose the physics and chemistry board in under the sunlight perpendicular incidence environment, avoids with the open fire contact; 3. forbid strictlys the physics and chemistry board soaking for a long time soaks in water; 4. avoids the high corrosion degree chemical reagent long-term direct contact physics and chemistry board surface; 5. avoids the physics and chemistry board long time laying aside high temperature environment under; 6. forbid strictlys with the sharp instrument blowing wipes the physics and chemistry board.