Objective To investigate the hygiene of food and drinking water of settlement points in 18 towns and 2 urbans of Mianzhu disaster area of Sichuan province at half a month after earthquake in order to assess the effects of anti-disease measures.Method 2 villages were randomly selected in each town and 10 households were randomly chosen in each county.20 tents were randomly selected in 2 city settlement points.The characteristics,food hygiene and drinking water hygiene were investigated with questionnaires.Results Most of people in towns and all of them in the city settlement points got safe food and drinking water.However,of those people in towns,5.03% ate cold dishes,12.85% had leftovers,and a few of them drank water without disinfection from the well(7/316)or the river(5/14).Conclusion The anti-disease measures could play an active role,but there still have some problems.Thus,the anti-disease consciousness should be further improved and the regulation on food and drinking water should be strengthened.