The effect of pear is: clearing lung, promoting fluid production and quenching thirst. Into the lungs and stomach. The functions of sugarcane are: clearing away heat and toxic materials, promoting fluid production to quench thirst, regulating stomach and descending adverse flow, and relieving stranguria and pain. Into the lungs, stomach and large intestine. The effects of rock sugar are: clearing away heat, nourishing and harmonizing. Into the lungs and stomach. These can nourish yin, clear heat and moisten the lungs together, and pregnant women can eat some appropriately.