The invention provides a circumcision device. The device comprises a preputial ring and 
calipers; the preputial ring comprises inner and outer rings, the inner ring is a clamping ring, and the outer ring is a clamping groove; the outer sides of the two rings are both made of 
silica gel material, and the inner sides are made of discontinuous 
metal material; the outer ring is the clamping groove, which is an inverted 
omega type annular groove, the inner side is an inverted 
omega type discontinuous 
metal ring, and the outer side is wrapped by 
silica gel and connected into a ring; the inner ring is the clamping ring, the inner side is a discontinuous 
metal ring, and the outer side is wrapped by 
silica gel and connected into a ring. The 
calipers are the exclusive accessory device of the wrapping ring, and can perfectly fit the wrapping ring, the 
calipers make the inner and outer ring completely clamped in meshing; the caliper head ends can be fixed on the wrapping ring, through the rotation of the blades on the outer sides of the caliper head ends, 
redundant prepuce tissue is 
cut. The circumcision device has the advantages that the device is simple in use and sufficient in 
cutting; no compression occurs during erection of the 
penis, the acceptability of the patient is good, and the 
operation safety is high.