Minle purple skin garlic is famous for its large size, fat flap, thick meat, thick juice and spicy flavor, good storage and good quality. The quality test results of Minle Zipi garlic by authoritative testing institutions showed that the main components to measure the quality of garlic were allicin content of 0.456%, total amino acid 4.16%, vitamin C 1.24mg / 100g, antioxidant trace element selenium content of 8.31μg / 100g. No pesticide residues were detected, reaching the standard of green agricultural products.