Both Locked Yang Solid Essence Pill and Right Return Pill are for the treatment of kidney yang deficiency symptoms, but the potency of the two drugs is different. The difference lies in the fact that Locked Yang and Fixing Essence Pill is mainly applied to symptoms caused by deficiency of kidney yang, while Right Return Pill is mainly used for kidney yang deficiency symptoms caused by deficiency of kidney yang and failure of the vital gate fire. Lockyang Solid Essence Pill mainly treats spermatorrhea, limb weakness, lumbar pain, tinnitus, insomnia and dreaminess, proteinuria, excessive leucorrhea, urinary incontinence and delayed fracture healing due to kidney deficiency. Yugui Pill mainly treats kidney yang deficiency, such as impotence, seminal emission, premature ejaculation, mental weakness, fear of cold, loose stools, frequent and clear urination, and some other symptoms.