Aged corn seeds were treated with different combination of CaCl₂ and penicillin.The results showed that 100 mg/L of penicillin,0.015 mg/L of CaCl₂,100 mg/L of penicillin + 0.015 mg/L of CaCl₂ increased germination percentage of aged corn seeds,chlorophyll of leaves and the vigor of root system.The electro-conductivity of the solution soaked seed decreased.