There are several kinds of drugs dedicated to femoral head necrosis: 1. These are the most common, the most effective and the most acceptable drugs, such as drugs to activate blood stasis, improve circulation and relax tendons, specifically thrombosis, sparing blood, and shu blood nin. There are also oral medications, such as strong bone capsule, Xianling Bone Program, Dragon’s Blood, Golden Bone Lotus and other oral Chinese medicines.2. Anti-osteoporosis drugs, such as alendronate and zoledronic acid, can be used. There are also drugs to protect cartilage, such as glucosamine sulfate and thioglucosamine hydrochloride. You can also use herbal formulas. There are more kinds of herbal formulas, and each Chinese hospital has its own unique formula.