Needle knife

The utility model provides a needle knife, which is easy to operate and has no risk. The needle knife adopts the technical scheme and comprises a needle knife base, a needle body connected with the needle knife base and a needle head arranged at the front end of the needle body, and the needle head comprises at least one blade face. The needle knife has the advantages of being used by matching with a blood sampling pen and being easier to operate. The needle knife is mainly used for debonding fascia and capable of leading users to carry out fascia therapy, the needle knife therapy can be mastered by users in one hour, is obvious in effect and has no danger, and users with no foundation can operate skillfully only in 2 to 3 days. The needle knife is good in invisibility, can be operated easily under the condition that customers are completely relaxed, is suitable for hospitals and clinics and can be used more conveniently in the field of cosmetology and health care.