Outcome assessment of Sun's massage in acute ankle sprains, a randomized controlled trial

INTERVENTION: Group B:Apply externally with ice pack for 15‐20 minutes, then elevate and rest the leg , apply with Bo‐Gu gauze. give 10 pieces of painkiller (voltaren) to take if necessary, and bring back the remaining pills at further consultation.;Group A:Treat by Sun massage for 15‐20 minutes, then elevate and rest the leg, apply with Bo‐Gu gauze. give 10 pieces of painkiller( voltaren) to take if necessary, and bring back the remaining pills at further consultation.; CONDITION: acute ankle sprains. PRIMARY OUTCOME: count of pills;the degree of pain;the degree of swelling;duration of pain; INCLUSION CRITERIA: 1. both match traditional Chinese medicine and western medicine diagnosis: according to the standard of TCM that of People's Republic of China (diagnosis and effect standard of TCM): (1) a definite medical history of ankle sprains; (2) pain, limited swelling, hypodermal ecchymosis and limb after sprained; (3) obvious localized tenderness: If injured by varus violence, when ankle entropionized, anteroinferior of lateral malleolus will have a pian; If injured by valgus violence, when ankle evaginated, anteroinferior of medial malleolus will have a pian; (4) No fractures by X‐ray check; 2. Between 18‐65 years old; 3. Within 24 hours; 4. Informed consent.