This research has been carried out in the Laboratory of Livestock Product Technology Faculty of Animal Undana and Chemistry Laboratory Faculty of Animal Feed Undana. The study lasted three months commencing on July 3, 2015 to October 5, 2015. The purpose of this study was to look good liming effect of the physical quality leather crackers chicken legs before and after chicken legs skinned, and to find the dose that produces calcification physical qualities of the best on the skin crackers chicken legs. This study uses 50 kg of chicken legs. Completely randomized design factorial design used in this study with two treatments with 3 replications. Both treatments consisted of: (1) the process of debarking chicken leg (2) doses of leather liming% chicken legs K1, K2%, and K3%. Variables measured include: Development, moisture content, protein content, fat content rude and organoleptic (shape, color, flavor and crispness). The results showed that the debarking process showed significant effect on the value development of skin crackers chicken legs. Chemical peel chicken legs debarking process and the process of soaking the lime solution showed very significant effect on the value of water content crackers, while debarking process and the process of soaking the lime solution shows a very real effect on the value of crude fat crackers. And organoleptic (shape, color, flavor and crispness) debarking process and the process of soaking the lime solution was highly significant (P <0.01) ABSTRAK Penelitian ini telah dilaksanakan di Laboratorium Teknologi Hasil Ternak Fakultas Peternakan Undana dan Laboratorium Kimia Pakan Fakultas Peternakan Undana. Penelitian ini berlangsung selama tiga bulan yang dimulai tanggal 3 Juli 2015 sampai tanggal 5 Oktober 2015. Tujuan dari penelitian ini adalah untuk melihat pengaruh pengapuran yang baik terhadap kualitas fisik kerupuk kulit kaki ayam sebelum dan sesudah kaki ayam dikuliti, dan untuk mengetahui dosis pengapuran yang menghasilkan kualitas fisik yang terbaik pada kerupuk kulit kaki ayam. Penelitian ini menggunakan 50 kg kaki ayam. Rancangan Acak Lengkap pola faktorial digunakan dalam penelitian ini dengan 2 perlakuan dengan 3 ulangan. Kedua perlakuan terdiri dari: (1) proses pengulitan kaki ayam (2) dosis pengapuran kulit kaki ayam K1%, K2%, dan K3%. Variabel yang diukur antara lain : Pengembangan, kadar air, kadar protein, kadar lemak kasar dan organoleptik (bentuk, warna, rasa dan kerenyahan). Hasil penelitian menunjukkan bahwa proses pengulitan menunjukkan berpengaruh nyata terhadap nilai pengembangan kerupuk kulit kaki ayam. Kimia kulit kaki ayam proses pengulitan dan proses perendaman larutan kapur menunjukkan berpengaruh sangat nyata terhadap nilai kadar air kerupuk, sedangkan proses pengulitan dan proses perendaman larutan kapur menunjukkan berpengaruh yang sangat nyata terhadap nilai lemak kasar kerupuk. Dan organoleptik (bentuk, warna, rasa dan kerenyahan) proses pengulitan dan proses perendaman larutan kapur berpengaruh sangat nyata (P<0,01)