Nanjian county, Dali prefecture. Battle drum lion head is a lion head variety, which is the hottest variety on the market in 2022. The average price per pair is10 million yuan, which is produced in Nanjian County, Dali Prefecture. Walnut is nearly round, with an average fruit weight of 22.8g, large fruit base, flat or concave fruit base, strong adaptability, barren resistance, cold resistance, drought resistance and strong disease resistance, which is very suitable for playing.