Supracondylar fractures of the humerus are the most common type of elbow fracture in children, accounting more than 80% of all fractures. Posterior Displacement suggests a hyper extension injury , normally fall on out extended hand. While foremost removal, uncommon sort, as a rule because of direct viciousness with the joint in flexion. Assessment of the procedure of 3 horizontal pins obsession as a line of treatment of the supracondylar humeral cracks in 20 patients with uncommon spotlight on resultant steadiness, results and entanglements experienced during the investigation time frame. an imminent, randomized controlled clinical preliminary from September 2018 to December 2019. The convention was endorsed by the moral council of the staff of medication, Benha University. Educated assent was taken, from guardians, all things considered, that the information of the examination will be distributed. 13 patients were female and 7 were male.13 were correct sided and 7 were left sided.The mean age of the patients was 6.05 with range from 3 to 11. Patients were followed up for a very long time normal, and were evaluated by Flynn's models for reviewing and the endproduct were: 15 patients had amazing outcomes (75%) and 5 had great outcomes (25%).As for expected intricacies ,we noticed no iatrogenic ulnar nerve injury. mean of usable time was 50.25 with range from 35 to 60; mean of chunk length was 3.40 with range from 3 to about a month So, employable time is huge here as it required some investment than exemplary obsession either with 2 sidelong pins or 2 parallel pins with 1 average on account of the higher specialized requests of this example of obsession , likewise it required some investment to accomplish strength of fracture.Slab span and expulsion of pins here are critical, as we can eliminate section and pins in normal 3.40 weeks which is quicker than some other example of obsession of SCHF in youngsters . treatment of the supracondylar humeral breaks in kids by shut decrease and interior obsession with 3 sidelong k wires whenever set with propped procedure is steady and viable strategy for obsession with completley ulnar nerve insurance so it gives great practical and cosmotic result .