The origins of the castle date back to the 50s of the fourteenth century, but it has not yet been included in the list of strongholds from 1353, listing the buildings handed over by Bolko II to his niece Anna, married at that time to the future emperor Charles IV. The first reference to the castle appeared in 1364, when it was recorded under the name of Kinast (later also Chynast, Kynast). It was probably founded between these dates by Bolko II, the prince of Świdnica and Jawor, and was one of the elements of the fortification system of the borders of the principality.
After the death of Bolko II in 1368, presumably from the granting of Duchess Agnes, the castle fell into the hands of the knight Gotsche Schoff the younger. He came from an insignificant Lusatian family, but as a result of his political and economic career, he made his family one of the most prominent in Silesia. He held the office of the vicecapitaneus of Wrocław, then Świdnica and Jawor, thanks to which he increased his possessions by several dozen settlements and several castles. In 1393, on his initiative, the bishop of Wrocław, Wenceslaus, approved the foundation of the altar of St. George and Catherine, in the same year Gotsche also issued his first document at the castle. He wrote “from Chojnik” since 1403, although the main residence at that time was the Gryf Castle. Probably at the end of the 14th century, Gotsche carried out the first rebuilding of Chojnik.
In the later years of the 15th century, the castle was in the hands of subsequent generations of Schaffgotschs, who in the second half of that century expanded the fortifications of the lower ward. It is known that they often came to Chojnik, but the main residence was then the Gryf Castle, where in the 16th century intensive works were carried out to modernize residential buildings. For a change, the 16th-century construction works on Chojnik, although they added Renaissance elements, were more focused on defensive elements and adapted the stronghold to the use of firearms. Perhaps they were caused by the fear of Turkish invasion that prevailed in 1529 . A little later, around the 60s of the 16th century, a great bastion was built in the lower ward, and in the years 1588-1589, the carpenter Jakob Liewig, commissioned by Johan Ulrich, was to raise the bergfried with a half-timbered, octagonal superstructure and top it with an early modern helmet.
Even in the first half of the 17th century, the castle was of military value. In 1639, it was mentioned by the states of the principality as one of the mountain strongholds fit for equipment and garrisoning, and in 1648 it was reinforced with an early modern bastion below the lower gate and a new gatehouse. Unfortunately, a storm soon brought the end of the castle, which in 1675 caused a great fire after a lightning strike. The building became a ruin, which was never rebuilt, although very early, at the turn of the 17th and 18th centuries, it began to be used as a destination for trips and an element of the attractive landscape.