The invention relates to the field of 
food processing, and discloses spicy radix puerariae crisp chips prepared from the following raw materials in parts by weight: 92-94 parts of radix puerariae, 17-19 parts of natto, 13-15 parts of 
carp meat, 10-12 parts of 
xylooligosaccharide, 3-4 parts of 
lactic acid bacteria, 1.4-1.6 parts of table salt, 0.4-0.6 part of a spice, and 0.7-0.9 part of 
vegetable oil. The spicy radix puerariae crisp chips are spicy and palatable, crisp, slightly sour, strong in 
flavor and rich in 
nutrition, and is capable of promoting absorption, enhancing 
immunity, promoting gastrointestinal functions, protecting heart and cerebral vessels, beautifying features, caring 
skin, delaying 
senescence, and resisting and inhibiting 
cancer; the 
carp meat is steamed thoroughly, has 
toughness increased after being stir-fried and is fermented together with the radix puerariae and natto, and thus delicious and fragrant properties and small molecular 
nutrition ingredients are increased; the seasonings are added, puffing is performed, and the crisp chips are crisp after being put into a mouth and then is chewy; the crisp chips are eaten after a bag is opened before 
meal, are beneficial to reducing 
meal consumption, and help lose weight; the crisp chips do not contain any additives and are safe and healthy, the sales volume is increased by 16.9%, and the 
economic income is increased by 10.3%.