This paper analyses the heat-absorbing and the heat-emitting of greenhouse solar heat storage pool in cold area.The greenhouse solar heat storage pool can be used for solar energy collected and stored;the energy can be effective used for heating the greenhouse at night.This paper uses the daily-monthly average parameters of cold area to analyze and calculate and the results show that: March to October in cold area save energy effectively, especially, June to August save energy 100%, April saves about 60%, May saves more than 9...