Abstract: To ensure a sustained safe and efficient mining of the levels below -580m in Huashupo deposit, based on the analogy method and more than 40 years' successful experience in mining in Dongguashan old mine area, and in a comprehensive consideration of economy, systematicness, adaptability and suitability, a new mining process is chosen, which adopts medium or long hole blasting, track transportation, artificial pillar supported panel, and open-stop with delayed filling.

Key words: Underground deposit, Mining plan, Open stoping with delayed filling in artificial pillar panel